Top definition
1.)Shortened form of "buttknocker", made famous by Beavis and Butthead.

2.)One accused of performing anal sex.
Ryan: Dude, lets make a fire.
Arlo: Shit, I forgot to bring matches!
Chris: You buttknock!
by C2Y October 03, 2005
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