[Intro: Yubin, Marin]
Get ready
Oh, mama, oh, mama, oh, nana
Let's go!
Silly, silly boy, silly, silly, ayy-yo!
Ayy, oh, mama, oh, mama (Oh, my, my)

[Verse 1: Marin, Yubin]
Ayy wollae nae seutairiya What's up?
Neoege Halla, halla
Insado natganjireopjanni
Silly, silly boy, silly, silly boy
Simjangdo neomu ppalla ppalla
Mwo hana jeeoga doeji ana
So stop it, don't be stupid again
Ullyeodaeneun simjang sori de ram-pam-pam-pam

[Pre-Chorus: Choi Jieun, Narin]
So crazy soljikago sipeo
Geunde geugeol eotteoke haetdeora
Oh, mama, oh, mama, oh, nana
Neon mwoya mwoga neon dareun geoya
Nado cheom boneun nal mandeuneunji
Oh, mama, oh, mama, oh, nana
Let's go
[Chorus: Yubin, Choi Jieun, Narin]
Na honja nallijana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy
Oh, mama, oh, mama, oh, nana
Ireon geon an gwaenchana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy (Put your hands up)
Oh, mama, oh, mama, daeche wae iraе

[Verse 2: Ayamy, Cha Juhyun]
Stand up I'm strong like terminator
Ne apе seomyeon saechimhaejyeo
Neodo nareul jom wonhaebwa wonhaebwa
Sujubeun nal mokgyeokan geon sageon like UFO
To the left to the right
Neoman ttaragajana
So stop it, don't be stupid again
Ullyeodaeneun simjang sori de ram-pam-pam-pam

[Pre-Chorus: Choi Jieun, Narin]
So crazy soljikago sipeo
Geunde geugeol eotteoke haetdeora
Oh, mama, oh, mama, oh, nana
Neon mwoya mwoga neon dareun geoya
Nado cheom boneun nal mandeuneunji
Oh, mama, oh, mama, oh, nana
Let's go
[Chrorus: Yubin, Choi Jieun, Narin]
Na honja nallijana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy
Oh, mama, oh, mama, oh, nana
Ireon geon an gwaenchana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy (Put your hands up)
Oh, mama, oh, mama, daeche wae irae

[Bridge: Yubin, Choi Jieun]
Neomu hollanseureo what is going on?
(Oh na na na, oh mama, mama, mama, mama)
Neodo nal joahamyeon haegyeoldoeneunji hwaginhaeboryeo hae
Oh, mama, oh, mama, oh, nana
Yeah, get ready (Let's go)

[Chrorus: Yubin, Marin, Ayamy, Cha Juhyun]
Na honja nallijana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy
Oh, mama, oh, mama, oh, nana
Ireon geon an gwaenchana
Silly, silly boy, silly, silly, ayy-yo!
Ayy-ayy-ayy-ayy (Put your hands up)
Oh, mama, oh, mama, daeche wae irae
[Outro: Yubin]
Na-la-li-la-li-la-la
Na-la-li-la-li-la-la
Na-la-li-la-li-la-la
Oh, mama, oh, mama, oh, nana
Na-la-li-la-li-la-la
Na-la-li-la-li-la-la
Na-la-li-la-li-la-la
Oh, mama, oh, mama, naega wae irae