Definitions by Corvallist

beer thirty 

In states where the liquor laws require that alcohol no longer be served after 2:30 a.m., beer thirty is the deadline by which alcohol much be purchased, lest the party come to a screeching halt.

"Dude, it's almost beer thirty and we're out of Coors. Better make a run to the store."

beer thirty by Corvallist April 17, 2006