An insultory phrase describing someone as an asshole, poop chute, assface, etc. Usually denotes extremestupidity, retardedness, assism, and all-around shittiness.
"Don't fuckin kill me you Roman buttpipes!" cried Jesus during the crucifixion.
"Yeah, next time I see that guy I am thinking about punching him in the choad for grabbing my girlfriend's clit through her pants...whatta buttpipe shitpole."