The time it takes a fart or shart to be reduced to half its initial potency, typically measured in seconds.
Upon eating Thai food, Dr. Long Fat Wang discovered that the Ass-life of his farts increased by a solid 15 seconds.
by believeitsbutter January 14, 2013
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