Top Definition
1.Similar to "thirsty thursday", "thirty thursday" is the thursday with balls. This is the act of consuming an entire thirty pack (by yourself) every thursday as a ritual.

2. Its got balls.
Douchebag1: Dude you celebratin' thirty thursday?

Douchebag2: What does it look like?

Douchebag1:...............(mumble) yea
by blingtasticisback February 26, 2011

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