What does Beaver Day mean?

Beaver Day meaning in Urban Dictionary

A holiday in the 3rd weekend in February involving categories of buddies in which one person in the team clothes up in a beaver costume whilst the rest associated with pals liven up as lumber jacks. The team is out in public and sings parodies of songs changing the words becoming about beavers and beaver associated activities eg chewing trees and creating damns. Beaver time Surpasses Valentines time in relavance and St Patricks Day in alcoholism