Top Definition
repeatedly beating something with either your fists, wrench, baseball bat, etc. until it works, or refuses to work.
My alarm clock wouldn't stop beeping, so i gave it a percussion adjustment and it stopped.
by k-man117 August 19, 2009

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