[Verse 1: Taeyeon, Seohyun]
Let’s go! mwol geokjeonghaneunde neon?
Dwaetgo mwoga tto duryeounde?
Jaego tto jaeda neujeo beoryeo
Oh-oh ooh, woah, oh-oh ooh, woah

[Pre-Chorus: Sunny, Yoona, Jessica]
Maeil haruga dareuge buranhaejyeo ga
Apseoga jugil barae geu nugungaga
Neon moreun cheok nuneul gamneun
You bad, bad, bad boy, you so bad (Bad, bad, bad)

[Chorus: All, Yuri, Tiffany]
Deo dangdanghage neon
Mister, mister (nal bwa!)
Mister, mister (geurae baro neo, neo, neo)
Nal gaseum ttwige han
Mister, mister (choegoui namja)
Mister, mister (geuge baro neo)

[Post-Chorus: Taeyeon, Tiffany, Seohyun, Tiffany & Seohyun]
Sangcheoro kkaejin yuri jogakdo
Byeori doeneun neo mister, mister, mister, mister
Nareul binnae jul seontaekbadeun ja
Geuge baro neo mister, mister

[Refrain: Jessica]
Mister, mister, mister, mister
Mister, mister, mister, mister
Mister, mister, mister, mister
Mister, mister, mister, mister

[Verse 2: Jessica, Tiffany]
Wae neon ajikdo mitji mothae?
Jinjja bimireul allyeo julge
Neon wae teukbyeolhan misterinji
Oh-oh ooh, woah, oh-oh ooh, woah

[Pre-Chorus: Sunny, Sooyoung, Yuri]
Mirael yeoneun yeolsoe baro niga gajingeol
Sonyeonboda deo keun kkumeul kkeureoana
Binnan nun sok nal damgoseo
My mi-mi-mister, rock this world (World, world, world)

[Chorus: All, Hyoyeon, Sunny]
Deo dangdanghage neon
Mister, mister (nal bwa!)
Mister, mister (geurae baro neo, neo, neo)
Nal gaseum ttwige han
Mister, mister (choegoui namja)
Mister, mister (geuge baro neo)

[Post-Chorus: Tiffany, Jessica, Sunny, Jessica & Sunny]
Sangcheoro kkaejin yuri jogakdo
Byeori doeneun neo mister, mister, mister, mister
Nareul binnae jul seontaekbadeun ja
Geuge baro neo mister, mister

[Break: Sooyoung]
(1, 2, 3, 4)
Hey! Hey! Hey! Hey!
Mister, mister, mister, mister
Hey! Hey! Hey!
Woo!

[Bridge: Taeyeon, Sooyoung & Yoona, Tiffany, Hyoyeon & Yuri]
(jigeum sesang ane) Oh, ni ape
(nuguboda meonjeo) neol deonjyeo
(deo chiyeolhage) deo chiyeolhage
(Mister, mister) Mister
(ojik geudaemani) irwo nael
(dan hana) naeil apui neo
(geu ane saragal neowa na) Mister, whoa, whoa ooh

[Chorus: All, Jessica, Hyoyeon, Taeyeon]
Deo dangdanghage neon
Mister, mister (nal bwa!)
Mister, mister (geurae baro neo neo neo)
Nal gaseum ttwige han (Oh, you are)
Mister, mister (choegoui namja) (Mister, mister)
Mister, mister (geuge baro neo) (Ooh, oh-oh!)

[Post-Chorus: Seohyun & All, Taeyeon & All]
Sangcheoro kkaejin yuri jogakdo
Byeori doeneun neo mister, mister, mister, mister
Nareul binnae jul choegoui namja
Geuge baro neo mister, mister, mister, mister