when your
penis is washed either by the wetness of a girl's mouth or by the wetness of the
girls vagina. Also, may be used as a wager in a friendly bet.
I'm so glad I'm hanging out with Shirley tonight because I know I will
get my pean
washed.
Dude, that girl is such a slut I know I can get my pean
washed tonight.
I'll bet you a pean wash that you can't fuck that girl tonight.