Essentially meaning "suck my penis," this phrase of defiance or mockery is equivalent to "kiss my ass" or "I have beaten you, my good man."
Upon defeating Nigel at a round of croquet, Bernard gestured towards his crotch and bellowed, "Suck it foo!"
A compound of "Crappy" and "Shitty." Meaning is the same, but one may get away with expressing those same feelings without actually cussing in this case.
I was in a shrappy mood after I was fired from Debbie's Sex Emporium.
