Droppin Bows 

The act of repeatedly and vigorously slamming ones elbow or forearm on an others face or body to show great disapproval or anger. Commonly while fighting.

bows elbows droppin dropping droppin bows

Droppin Bows by N-D-thekid June 14, 2010

Droppin' bows 

The act of slamming one's elbow on a table, chair arm, etc. to indicate disapproval of someone's actions or comments. Originally performed in Portsmouth, New Hampshire by the PHS hockey team.

Note: It is customary to shape the index finger and thumb of the hand like an "L" or a gun while dropping said bows.

John: Dude, I voted for Bush.
Jake: WTF DUDE?!
(Onlookers droppin' bows)

Droppin' bows by P. Ian Uranus June 21, 2006