1 definition by Rikke K..

1. Underpants Gnomes are small beings that come to Tweek's room at 3.30 in the night to steal his underpants, Tweek sees them, because he can't sleep - ever !

2. The gnomes steal underpants to make profit. How ?
Like this:
1. Collect underpants
2. ?
3. Profit

3. They even have a working song, like the 7 dwarfs.
Time to go to work !
Work all night !
Searh for underpants hey !
We won't stop until we have underpants!
Yum tum yummy tum hey !

Watch South Park, season 2 episode 17 - Gnomes

Tweek : They're taking my underpants!

Kyle : Will you stop with the Underpants Gnomes, Tweek, we have to work her..
by Rikke K.. November 9, 2006
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