Head humper

Headhumper is another word for the famous Half Life's Headcrabs.

"Get that figgin head humper off o me!"

by Adam Sklar April 4, 2009

back head humper

A term commonly used when playing Left4Dead 2. It referrs to the special infected Jockey due to its ability to jump on the back of one's head and drive them into danger.

BACK HEAD HUMPER, BACK HEAD HUMPER, GET IT OFF, GET IT OFF!!!!

by Jakitup January 22, 2011