Top definition
A condition where a women has a flat buttocks. AKA flat ass. Common in European women. A person with this condition lacks junk in the trunk.
Heather was self consious about her ass because of the chronic Glutius Flatosis.
by DzNutz January 20, 2004
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