Top definition
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 19, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
2
(verb) to defecate, to crap
She went upstairs to the shithouse because she needed to pump ship
by Edna Sweetlove November 05, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug