M.W. Dict's definitions

Leg Ass

(informal adjective)
-Derived from the idiom "pulling my leg", leg ass is an insult used to describe someone, or someone's life, as being a "joke"

(similar terms)
- Head Ass

"Look at that leg ass over there, he's so stupid"

"Man, you just a leg ass"

by M.W. Dict November 16, 2022