Top definition
To expell anal gas multiple times while seated causing the gas to incubate and then standing up and releasing the toxic fumes to cause mental and physical harm to those around you
Dude!!! i just pulled an Umbarger
by umbarger July 10, 2008
Get a Umbarger mug for your coworker Sarah.
Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
Get a sleepers mug for your buddy Callisto.