Top definition
When someone goes into the deep belief that plaid is the best thing in the world. They will also tend to believe that plaid is its own color.
Guy 1: Whats with Steven? He hasn't stopped wearing that plaid shirt for three weeks now.
Guy 2: Oh its nothing, he's just suffers from Plaiduralism
by Copper Soul April 16, 2013
Get the mug
Get a plaiduralism mug for your friend Rihanna.