look up any word, like fuck boy:
The art of someone bending you over and inserting dirty, rusty wrenches in your cornhole.

Also usually goes in the phrase:

"Ripped, Raped, and Wrenchfucked"
CMACD got wrenchfucked by a tech-deq grease monkey when he walked by Gore Motors on Memorial Ave.
by zAk March 09, 2005