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A sarcastic and condescending way of calling somebody unfunny.
Also commonly used after someone says "lol" when their joke is clearly not funny at all.
John: I went to the store today.
Corinne: coolbeans!
John: Whatta yokester...
by Matthew G April 18, 2006

Words related to yokester

dumbass fool funny kool lmao lol rofl rotfl unfunny yokesta yokster