1 definition by theSwanmaster

verb: to have something explained or your actions corrected by someone who has far more knowledge on a subject then you.
highschoolers working out: "i think we need more weight"

80 year old buff man: "no, you are just doing it wrong! do it like this!" and walks away

highschoolers: "shit man... we just got guru'ed"
by theSwanmaster December 23, 2010
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