A fart. The result of passing wind. A silent, but deadly one.
All of a sudden there was a foul odor from the back seat of the car. Uncle Joe turned around and asked, "OK, WHO made the boompser?"
מאת Coconut Head in Space 28 במאי, 2005
1 more definition
a sneaky, silent but deadly, little fart
P U. Do you smell something?? OK!!WHO made the boompser???
מאת Coconut Head in Space 30 במאי, 2005