bingentory 

The amount of beer or alcohol you have left in the fridge, cooler, etc.

Jimmy: hey check the bingentory
Steve: were runnin low we only got a 12 pack left

bingentory by mcmillen123456 May 14, 2010

binventory 

Extra alcoholic beverages ordered during open bar to avoid paying for them later

1) If we all order 2 beers each time, we will have a nice binventory after the open bar closes.

2) Hide the binventory, the bouncer is coming by to remove empty cups.

binventory by Bininthesauce February 19, 2008