look up any word, like blumpkin:
 
1.
the name for someone you used to fuck but don't anymore . literally speaking , it's the ass you fucked in the past . get it ? :P

warning : meeting up with these people on occasion can be extremely awkward .
*sees crazy ex-girlfriend in walmart*

person 1 : AWWWHHH SHIT BRO .
person 2 : what!?
person 1: that girl ? she's my ass from the past .

*sprints away and hides in the lettuce section* (:
by taytaytheterminator April 09, 2011