Top definition
The position used to launch ones-self into the air with the power of anal gas.
I better get into my Pumpinstance to get onto that roof!
by DARTHROACH October 25, 2008
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

Alphabetical list