[Intro: Eunkwang]
Nananana nana nana nanana na na nana

[Verse 1: Changsub]
Da chiwo ije deureoga
Jeobeon geon ipgasim, mm
Ijen bonpyeoneuro party (Oh)
Gamdang an doem ppajiji

[Pre-Chorus: Changsub]
Sonjabireul dollyeo naega wonhadeon geol da bollae
I mun apeseo deullineun eumak sori
Nae moksoriga teojidorok oechyeo
Meomchithal sigan ttawin eopseo

[Chorus: Minhyuk]
Back Door
Gwangyeja oe churipgeumji yeogin back door
Gwangyeja oe churipgeumji yeogin back door
Gwangyeja oe churipgeumji-geumji back door
(gwangyejaga doego sipdamyeon)

[Verse 2: Peniel, Minhyuk]
Hey, this is a restricted area, only you're allowed
You got that V.I.P pass hanappuniya
Willy's golden ticketboda deo huigwihae
Chocolateboda nega dal geot gata anyway
Lemme unwrap slowly
Meoributeo balkkeutkkaji
Araboja, just how many?
Licks does it take to make your
Mind control hago volume check
Kkeutui kkeutkkaji go aju honjjul nae
Jeomjeom chwihaeman ga seoroui perfumee
Han beon kkeunnamyeon ip matchugo han beon deo hae
Iseongi kkeuneojil deut wiheomhae
Feel so weird ajjilhan muajigyeonge
Mae sungan ogameuro girohae
Your super high note, naui soprano

[Pre-Chorus: Eunkwang, Minhyuk]
Dalla boyeo modeun ge wanbyeokaejineun i sungan
Du nunapeseo pyeolchyeojineun fantasy
Nae moksoriga teojidorok oechyeo meomchit
Hal sigan ttawin eopseo
Back Door

[Bridge: Eunkwang, Changsub]
Sigani jinagalsurok deo hwaryeohaejineun i sungan
Yeah, we gon' do it right now, do it right now, baby
Ijebuteo jeongsin charyeo i segyereul nune dama
Simjang ullyeo, rum, pum, pum, pum

[Refrain: Minhyuk]
Make 'em say, "Wow, wow, wow," yeah
Dadeul bulleowa wa wa, ayy
Norae bulleora ra ra, ayy

[Interlude: Peniel]
Uh, neoui hwansangeul malhaebwa
Hyeonsillo mandeureojul tenikka
Ayy, jigeum dangjang sijakaedo sigani mojara
So tell me what it is right now

[Pre-Chorus: Eunkwang & Changsub]
Nae moksoriga teojidorok oechyeo
Meomchithal sigan ttawin eopseo

[Chorus: Peniel & Minhyuk]
Back Door
Gwangyeja oe churipgeumji yeogin back door
Gwangyeja oe churipgeumji yeogin back door
Gwangyeja oe churipgeumji yeogin back door
Gwangyejaga doego sipdamyeon (Knock, knock)

[Post-Chorus: Eunkwang & Changsub, All]
Jong ttaerigo michyeo nalttwieo (Yeah)
Oneuldo we do our thing
Jong ttaerigo michyeo nalttwieo
Oneul bamdo jijeo, ayy
Jong ttaerigo michyeo nalttwieo
Oneuldo we do our thing
Jong ttaerigo michyeo nalttwieo
Oh woah

[Outro: Minhyuk]
"Hey, you wanna come in?"