Top Definition
To do anything to the extreme, almost to the point of real bodily harm.

Made famous by Robert James Hoffman III in his infamous Yes Dance performed at the Choreographer's Carnival in January 2007, which has received 5,000,000+ views on youtube, and numerous copycat videos.
You'd better slow down on that treadmill, you're yessing too hard.

You're having another cosmopolitan? Girl, you're gonna yes too hard, give me your car keys.

Girl: I don't know why I'm so sore today.
Boy: You were yessing too hard last night. You were on fire.
by raisinsmith June 02, 2009

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