Pump Dog 

The act of masterbation by inserting your penis into a vaccum cleaner hose and alternating between the suck and blow settings untill ejaculation is achieved.

Screw you guys, im gona go home and ruin my vaccum with a hardcore pump dog.

Pump Dog by T3rman8tor May 16, 2011

Pumpdoghazel 

lit, swag, amazing

"Great party Martha, it was totally pumpdoghazel!"

Pumpdoghazel by Cerealfordays March 27, 2019