Top definition
When you insert your thumb, index, and middle fingers into someone's anus or vagina in the shape of a bird beak. With your fingers inserted you open and close the beak while making a crowing sound.
"I was bird-beaking the crap out of your mom last night!"
by Cab-adam June 18, 2013
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

Alphabetical list