Definitions by ThisIsO.T
Oh fuck
An exclamation u say when u get the best blowjob and orgasm. Another definition is if u angry or worried at some shit going on
Brain
When a girl sucks your dick soooooo good u wish u could cum more than twice without your dick hurting. It makes yo dick happy. Licking the tip and crown will make yo mans moan hard as fuck. That means u giving him brain.