Top definition
The act of tightening one's butt cheeks to impede the release of a shart.
Because of his successful shart-clench his pants remained stain-free.
by CosmicCareBear October 09, 2013
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