[Verse 1]
[Tiffany] Nae saenggage mami apa bameul sae?
Nega nal geokjeonghae?
Wow cheoeum deutneun yaegi
[Yuri] Honja gajeun chak han cheok
Na ttaeme nun mul naneun cheok
[Sunny] Neoui modeun SNS aesseune
Neoman sangcheo badeun yaegi

[Verse 2]
[Seohyun] Imi jinabeorin jiwobeorin sigan soge
Bulleojudeon My name han ttaen
Neomuna banjjagyeotdeon neowa na
[Taeyeon] Ganjikharyeo haetdeon  hwaryeohaetdeon chueok da
Neoneun baeteo meotdaero baeteo
Chagapge baeteo Oh Oh Oh Woah

[Chorus]
[Yoona] You think ya real cool ([Tiffany] You're not)
Ya Think ya real coo-o-ol ([Tiffany] You're not)
[Yoona] Ne saenggagil ppun
[Taeyeon/Sooyoung] Boy You ain’t cooler than me Nah
[Tiffany] You think ya real cool ([Seohyun] You're not)
Ya Think ya real coo-o-ol ([Seohyun] You're not)
[Tiffany] Ne chakgagui kkeut
[Taeyeon/Hyoyeon] Boy You ain’t cooler than me Nah
([Tiffany] Cheoeum deutneun yaegi)

[Verse 3]
[Sunny] Hah Yeah
Eoneusae tto uri yaegil deulchwo nae
Saramdeuri neol jipjunghage
Iyonghaesseo nal
[Seohyun] Gasi dotchin bad girl
Tteodeureo daeneun geol
Jeokdanghi nun gamajunikka
Tto seoneul neomeo neon

[Verse 4]
[Taeyeon] Jakku heuryeojineun
Neuryeojineun gureum arae
Ssodajineun My rain soge
Na hollo gamchwo heullin nunmulgwa
[Tiffany] Naega badeun sangcheo boran deusi neoneun da
Modu baeteo gabyeopge baeteo
Useupge baeteo Oh Oh Oh Woah

[Chorus]
[Sooyoung] You think ya real cool ([Tiffany] You're Not)
Ya Think ya real coo-o-ol ([Tiffany] You're Not)
[Sooyoung] Ne saenggagil ppun
([Tiffany] You think, you think, you think, you think, you think, you think)
[Taeyeon/Yoona] Boy You ain’t cooler than me Nah
[Yuri] You think ya real cool ([Seohyun] You're Not)
([Sooyoung] You think ya real cool)
Ya Think ya real coo-o-ol ([Seohyun] You're Not)
([Sooyoung] You think ya real cool)
[Yuri] Ne chakgagui kkeut
[Taeyeon/Tiffany] Boy You ain’t cooler than me Nah

[Bridge]
[Sooyoung] Boy jasin eobseum Back Uh
Ije waseo wae
Aryeonhi nal boni a mwoni
Jedaero mal hae What what what
Gireul mot pyeo wae?
[Hyoyeon] Nega meotdaero mak sseonaeryeo gan
Gossip sogui Bad Girl
Gwaenchanha mwo gyeolgugen da nege Return
Ttokttokhi jom deureo naega han seontaek
Huhoehal mam deoneun eopseo Go Away

[Seohyun] On sesangi neo hanappunin
Julman aldeon na anya
[Sunny] Deo bunmyeonghan dap neoege nan
Michige akkaun yeojaran geol
[Taeyeon] Because

[Chorus]
[Yoona] You think ya real cool ([Tiffany] You're Not)
Ya Think ya real coo-o-ol ([Tiffany] You're Not)
([Sunny] Ooh baby, baby, babe)
[Yoona] Ne saenggagil ppun
([Tiffany] You think, you think, you think, you think, you think, you think)
[Taeyeon/Hyoyeon] Boy You ain’t cooler than me Nah
[Tiffany] You think ya real cool ([Seohyun] You're Not)
([Sooyoung] You think ya real cool)
Ya Think ya real coo-o-ol ([Seohyun] You're Not)
([Sooyoung] You think ya real cool)
[Tiffany] Ne chakgagui kkeut
[Taeyeon/Hyoyeon] Boy You ain’t cooler than me Nah