Top Definition
Shouting or talking at extreme volumes, often at socially inappropriate times. Typically includes some type of vulgararity, profanity, and/or references to cycling, running, or weight loss. May be accompanied by excessive saliva output in the form of a fine spray or mist.
I was at a funeral and saw an emo kid wearing skinny jeans, so I totally Seth'd him out. Then I shaved my legs and did the cartwright loop - had to stop and poop on a fence. Still gained 2 pounds, fuck! Really Seth'd it.
by crooked_elbow July 16, 2010
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