Keep on truckin'
Example:
Guy 1: Hey, what the hell are you doing?
Guy 2: I'm shaving my ball sack.
Guy 1: Ok?... Keep on truckin'.
Guy 2: Will do.
Guy 1: Hey, what the hell are you doing?
Guy 2: I'm shaving my ball sack.
Guy 1: Ok?... Keep on truckin'.
Guy 2: Will do.