Hey, no!
Alright, alright
Bad boy bad boy
Alright 1 2 5, uh
Yojeum na jogeum paenik sanghwang (ha)
Soljjiki wanjeon holliginde (hey)
Meorissok eotteon nyeoseok geu saenggak hanappuniya
One one one one
One one one one
One one one one

Ah, ah, ah (alright, hey)
Chingudeul say gyaeneun andwae neomu nappa nega dacheo
Ah, ah, ah (uhm)
Nuga mallyeo naega joeumyeon ganeun geojo (yeah, oh, oh, my God)

Ey, oh, my God
He's a really bad boy
He's a really bad boy
Ey, oh, my God
He's a really bad boy
He's a really really really really really bad boy (ey, yeah, yeah, yeah)

You're so bad boy
You're so bad boy
You're so bad bad bad bad bad bad bad bad boy

Bang bang pow
He's a really bad boy
Jalsaenggin geu eolgul hana mitgo sandaeyo
Gwaenchantamyeon neol naega gildeuryeo bolkke (boy)
Mine mine mine mine

Ah ah ah (alright, hey)
Meottaero hae heorakalkke inneun himkkeot nappajeo bwa
Ah ah ah (uhm, no)
Geureon niga byeonhaegal ttae jjaritaji (oh, oh, my God)

Ey, oh, my God (oh, my God, oh, my God)
He's a really bad boy
He's a really bad boy (oh, my God)
Ey, oh, my God
He's a really bad boy
He's a really really really really really bad boy

You're so bad boy
You're so bad boy
You're so bad bad bad bad bad bad bad bad boy

Akkaweo dareun I nan mot jweo
Bwa naega neol saranghaneunde
Nugurado heumppeok ppajeobeoril
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me

Amuri nappado nan joa
Bwa sesange neon bichi na
Nugurado heumppeok ppajeobeorilgeol
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me
You're a bad boy and you're bad for me

Oh, my God
He's a really bad boy
He's a really really really really really bad boy
Oh, my God
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

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)