look up any word, like darude - sandstorm:
To go dirt bike riding in any sort of fashion.

This originated in north cal where all the young people say hella
dude number 1 Whats up son? Ill kick your ass in durpin' any day any time!

dude number 2 Less talk, more ride, now lets see what ya got from that fender behind!!!
by ieatyourwomen May 09, 2010