what the hell, jane, what's with all those pre-pee stains on your underwear? you have a bladder problem, son?
that little spot of pee that appears when you really have to go to the bathroom and some just sneaks out into your undies
"what the hell, jane, what's with all those pre-pee stains on your underwear? you have a bladder problem, son?" What is the definition of "pre-pee"?