Definitions by lolingatyouandyourlife

pump ass 

to fuck someone in the butt

Person 1: Hey bro, did you hear what Tony did the other day?
Person 2: Bro, what?
Person 1: Pump ass with Suzy.
Person 2: Nice. What a legend.

pump ass by lolingatyouandyourlife June 26, 2015

pumping ass 

anal sex

Person 1: Hey, did you hear what Jason did the other day?
Person 2: No, what'd he do?
Person 1: He was totally pumping ass with Becky.
Person 2 : Goals.

pumping ass by lolingatyouandyourlife June 20, 2015