[Intro: Wendy, Seulgi, Joy]
Hey! No (Oke, oke)
Bad boy, bad boy (Yeah, yeah, oh-ooh!)
Oke, 1, 2, 5, uh!
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Hey! Tidak (Baiklah, baiklah)
Cowok nakal, cowok nakal (Ya, ya, oh-ooh!)
Oke, 1, 2, 5, uh!
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[Verse 1: Irene, Seulgi]
Kickin' it with my girls, let's party (Ha!)
Sipping on milk and chocolate sundaes (Hey!)
Having such a good ass time, now all I need is that one guy
One, one, one, one
One-one-one-one-one-one-one-one
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Bersantai bareng cewek-cewek, yuk pesta (Ha!)
Minum susu dan sundae cokelat (Hey!)
Seru banget, sekarang yang aku butuhkan cuma satu cowok
Satu, satu, satu, satu
Satu-satu-satu-satu-satu-satu-satu-satu
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[Pre-Chorus: Yeri, Joy, Irene, Seulgi]
Ah, ah, ah (Alright, hey!)
All the girls say, all the girls say
All the girls say, all the girls say
Ah, ah, ah (Ooh, yeah, yeah, yeah)
All the girls say, all the girls say
All the girls say, all the girls say (Oh, oh my God!)
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Ah, ah, ah (Oke, hey!)
Semua cewek bilang, semua cewek bilang
Semua cewek bilang, semua cewek bilang
Ah, ah, ah (Ooh, ya, ya, ya)
Semua cewek bilang, semua cewek bilang
Semua cewek bilang, semua cewek bilang (Oh, oh Tuhan!)
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[Chorus: Wendy, Joy, Wendy & Joy, Yeri & Joy]
(Hey, oh my God!)
Oh my god! He's a really bad boy
He's a really bad boy
He's a really bad boy
Hey, oh my God! (Oh my god)
He's a really bad boy
He's a really, really, really, really
Really bad boy (Hey, yeah, yeah, yeah!)
[cc]
(Hey, oh Tuhan!)
Oh Tuhan! Dia cowok yang sangat nakal
Dia cowok yang sangat nakal
Dia cowok yang sangat nakal
Hey, oh Tuhan! (Oh Tuhan)
Dia cowok yang sangat nakal
Dia cowok yang sangat, sangat, sangat, sangat
Sangat nakal (Hey, ya, ya, ya!)
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[Post-Chorus: All, Seulgi]
You're so bad, boy (Ah, ah, ah)
You're so bad, boy (Ah, ah, ah)
You're so bad, bad, bad, bad (Hey yeah, yeah!)
Bad, bad, bad, bad boy (Hey yeah, yeah!)
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Kamu nakal banget, cowok (Ah, ah, ah)
Kamu nakal banget, cowok (Ah, ah, ah)
Kamu sangat nakal, nakal, nakal, nakal (Hey ya, ya!)
Nakal, nakal, nakal, cowok (Hey ya, ya!)
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[Verse 2: Irene & Yeri, Joy]
Bang, bang, pow, he's a really bad boy
How he plays with hearts instead of playing with his toys
And I don't really care 'cause I'm really in love (Boy)
Mine, mine, mine, mine
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Bang, bang, pow, dia cowok yang sangat nakal
Gimana dia main-main dengan hati, bukan main-main dengan mainannya
Dan aku nggak peduli karena aku benar-benar jatuh cinta (Cowok)
Punya aku, punya aku, punya aku, punya aku
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[Pre-Chorus: Yeri, Irene, Seulgi, Wendy]
Ah, ah, ah (Alright, hey!)
All the girls say, all the girls say
All the girls say, all the girls say
Ah, ah, ah (No!)
All the girls say, all the girls say
All the girls say, all the girls say (Oh, oh my God!)
[cc]
Ah, ah, ah (Oke, hey!)
Semua cewek bilang, semua cewek bilang
Semua cewek bilang, semua cewek bilang
Ah, ah, ah (Tidak!)
Semua cewek bilang, semua cewek bilang
Semua cewek bilang, semua cewek bilang (Oh, oh Tuhan!)
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[Chorus: Seulgi, Joy, Seulgi & Joy, *Wendy*, Irene & Joy]
(Hey, oh my God!)
Oh my god! He's a really bad boy (Oh my God, oh my God)
He's a really bad boy
He's a really bad boy (Oh my God)
*Hey, oh my God!* (Oh my god)
He's a really bad boy
He's a really, really, really, really
Really bad boy (Oh)
[cc]
(Hey, oh Tuhan!)
Oh Tuhan! Dia cowok yang sangat nakal (Oh Tuhan, oh Tuhan)
Dia cowok yang sangat nakal
Dia cowok yang sangat nakal (Oh Tuhan)
*Hey, oh Tuhan!* (Oh Tuhan)
Dia cowok yang sangat nakal
Dia cowok yang sangat, sangat, sangat, sangat
Sangat nakal (Oh)
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[Post-Chorus: All, Seulgi]
You're so bad, boy (Ah, ah, ah)
You're so bad, boy (Ah, ah, ah)
You're so bad, bad, bad, bad (Hey yeah, yeah!)
Bad, bad, bad, bad boy (Hey yeah, yeah!)
[cc]
Kamu nakal banget, cowok (Ah, ah, ah)
Kamu nakal banget, cowok (Ah, ah, ah)
Kamu sangat nakal, nakal, nakal, nakal (Hey ya, ya!)
Nakal, nakal, nakal, cowok (Hey ya, ya!)
[/cc]

[Bridge: Joy, Seulgi, Yeri, Wendy, *Irene*]
I know that I need someone to, uh
Look after me and all I do
But no one else makes me smile the way you do
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
And I know that I need someone to
(You're a bad boy and you're bad for me)
(You're a bad boy and you're bad for me)
Look after me and all I do
(You're a bad boy and you're bad for me)
(You're a bad boy and you're bad for me)
But no one else makes me smile the way you do
(*You're a bad boy and you're bad for me*)
(*You're a bad boy and you're bad for me*)
Whoa, whoa
(*You're a bad boy and you're bad for me*)
*You’re a bad boy and you’re bad for me!*
[cc]
Aku tahu aku butuh seseorang untuk, uh
Menjagaku dan semua yang aku lakukan
Tapi nggak ada yang bikin aku senyum kayak kamu
Kamu cowok nakal dan kamu buruk untukku
Kamu cowok nakal dan kamu buruk untukku
Dan aku tahu aku butuh seseorang untuk
(Kamu cowok nakal dan kamu buruk untukku)
(Kamu cowok nakal dan kamu buruk untukku)
Menjagaku dan semua yang aku lakukan
(Kamu cowok nakal dan kamu buruk untukku)
(Kamu cowok nakal dan kamu buruk untukku)
Tapi nggak ada yang bikin aku senyum kayak kamu
(*Kamu cowok nakal dan kamu buruk untukku*)
(*Kamu cowok nakal dan kamu buruk untukku*)
Whoa, whoa
(*Kamu cowok nakal dan kamu buruk untukku*)
*Kamu cowok nakal dan kamu buruk untukku!*
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[Chorus: Irene]
Oh my God, he's a really bad boy
He's a really, really, really, really
Really bad boy
[cc]
Oh Tuhan, dia cowok yang sangat nakal
Dia cowok yang sangat, sangat, sangat, sangat
Sangat nakal
[/cc]

[Post-Chorus: Joy & All, Seulgi, Joy]
Oh my God, he's a really bad boy (Ah, ah, ah)
He's a really bad boy (Ah, ah, ah)
He's a really bad boy, uh
Oh my God, he's a really bad boy (Hey yeah, yeah!)
He's a really bad boy (Hey yeah, yeah!)
He's a really bad boy, uh
[cc]
Oh Tuhan, dia cowok yang sangat nakal (Ah, ah, ah)
Dia cowok yang sangat nakal (Ah, ah, ah)
Dia cowok yang sangat nakal, uh
Oh Tuhan, dia cowok yang sangat nakal (Hey ya, ya!)
Dia cowok yang sangat nakal (Hey ya, ya!)
Dia cowok yang sangat nakal, uh
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[Chorus: Wendy & Joy, Joy, Joy & All, Wendy]
Oh my God! He's a really bad boy
He's a really bad boy
He's a really bad boy (He's a really bad boy)
Oh my God, he's a really bad boy (He's a really bad boy!)
He's a really, really, really, really
Really bad boy (Whoa!)
[cc]
Oh Tuhan! Dia cowok yang sangat nakal
Dia cowok yang sangat nakal
Dia cowok yang sangat nakal (Dia cowok yang sangat nakal)
Oh Tuhan, dia cowok yang sangat nakal (Dia cowok yang sangat nakal!)
Dia cowok yang sangat, sangat, sangat, sangat
Sangat nakal (Whoa!)
[/cc]

[Outro: Irene]
Mmm
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Mmm
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