1 definition by Seans a loser

Top Definition
strange sound uttered by raffiki looking beastly individuals during extreme physical or mental activity, or while consuming large amounts of Taco Bell, or while doing nothing
Yo man, sean was umphing all over my house the other day
by Seans a loser March 27, 2003

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