beerthday

The day someone turns old enough to legally drink.
Yeah, it's Jon's Beerthday today. I hear he is gonna get totally drunk.
by [Babylon] August 27, 2007
mugGet the beerthdaymug.

happy beerthday

What you say to someone who is celebrating their birthday with beer.
Happy beerthday, Bobo! Don’t drink that whole 30 rack!
by HumaneAnimal November 26, 2017
mugGet the happy beerthdaymug.