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."
by Corvallist March 16, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.