Definitions by IheartJewishDick

ass jacker 

Someone who lubes up his dick and uses his girlfriend's ass cheek to rub the head against while he jerks off.

David totally jerked off on my ass this morning!
No way!
Yeah, he greased it up and everything!
Wow! Your boyfriend is totally a pervy ass jacker!
I know! It's really hot!

ass jacker by IheartJewishDick July 2, 2011