Letra de (You Better Know) What You're Doin'

You better know what you're doin' Mmm-hmm, you better know what you're doin' You better do-wa, do-wa, do-wa, uhh Before you come knockin' at my baby's door I don't care how good you look I don't care how many hearts you took Before you get your name on my little book You better not come knockin' at my baby's door Tell him (You better know what you're doin') Tell him (You better know what you're doin') Mmm-hmm, you better do-wa, do-wa, do-wa, uhh Before you come knockin' at my baby's door I don't look for trouble It's not my game But if you try to get this little girl from me I know I'm gonna stake my claim (You better know what you're doin') Tell him (You better know what you're doin') Mmmm, tell him, nahh-ahh You better do-wa, do-wa, do-wa, uhh Before you come knockin' at my baby's door (Tell him) You better know what you're doin' (Tell him) You better know what you're doin' You better do-wa, do-wa, do-wa, uhh Before you come knockin' at my baby's door I don't look for trouble It's not my game But if you try to get this little girl from me I know I'm gonna stake my claim (You better know what you're doin') Tell him (You better know what you're doin') Mmmm, tell him, nahh-ahh You better do-wa, do-wa, do-wa, uhh Before you come knockin' at my baby's door You better do-wa, do-wa, do-wa, uhh