pump ship

1. to urinate(crude. From the expression that refers to pumping the bilge water form a ship.)

2. to vomit(crude. Less well known than sense one.)

I felt like my bladder would burst If I did not pump ship soon.

by Light Joker April 20, 2005

pump ship

(verb) to defecate, to crap

She went upstairs to the shithouse because she needed to pump ship

by Edna Sweetlove November 5, 2006