PTHmatt's definitions
The act of squatting on top of a keg with tap in mouth while flapping your arms, aka wings, and drinking heavily. 
On lookers must partake in "caw-ing" while you ingest copius amounts of the adult beverage.
On lookers must partake in "caw-ing" while you ingest copius amounts of the adult beverage.
by PTHmatt November 22, 2007
 Get the keg perchmug.
Get the keg perchmug.