Top definition
when someone has got their head shoved so far up their ass that they are wearing their bum as a beanie.
(guy is parked at a green light)
driver behind - (beeps horn) stop wearing your bum beanie!
by natnatnat_ April 14, 2008
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