Top definition
The bonding or fusion of ass hair and underwear after an "accident". This occurs after sitting for a long time and the shit dries like glue. A rare experience, but can be very painful.
I had a bad ass fusion the other day when Delta lost my fucking luggage and I was stuck in the car.
by climber clown August 06, 2015
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush
2
Fusion of such fine ass that it makes dividing by zero child's play.
Dat ass be so fine, I would like to perform ass fusion to make a child cry due to masses of asses.
by Nigger Joel April 14, 2014
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