Crazy, out of control, a condition that results from one too many hits to the head and/or excessive amounts of alcohol.
Julie was lerpy after having one too many drinks with her boyfriend.
by pink dunk March 09, 2009
A tall faggoty geek with little to no muscle mass. Generally found to masturbate too much with their strange long gorilla like arms.
Proto is lerpy.
by proto August 28, 2003