Buttmugged

Accosted by a stranger and then anally raped.

He was coming home from the party when two people jumped out of the bushes and buttmugged him.

buttmug

a really gumpy person similar to a derp, but twice as ugly with out having to be caught in the act of making a ridiculous face

Jake: "Dude, did you see that guy back there"

Eric: "Yeah dude, what a buttmug"

Jake: "Yeah, what an ass canister!"