What is Shitwhacked?
1.
the result of participating in a night of total twistedness, hard moves, etc.
Shit homie I was doin some hard
biz last night and as a result got totally shitwhacked
See
2.
Slapping the ass of a hooker on the streets while eating ur own poop
"Man, did you see that shit, ur mom was getting shitwhacked by that BUM!"
See