A practice used generally by college kids involving assaulting an unsuspecting victim (usually passed out) by placing your anus over the victim's nose.
I woke up this morning with a terrible hangover and a constant shit smell. I think I was trucker-butted last night.
Trucker's Butt is a condition where your ass is slightly sore after sitting on it for a long duration of time while on the road. It is typical during long road trips, especially on trips that are more than 450+ Miles.