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something that makes you laugh hysterically when blazed. it's usually not funny in a clear state of mind.
"yesterday i got lifted and watched jeopardy, that shit was highlarious"
by blazed March 15, 2005
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A term that is only funny when all parties involved are under the influence.
Mary told a joke at the party. Everyone cracked up. It was pretty Highlarious
by TehDwarf November 16, 2008
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When Tim Hightower running back for the Washington redskins does something funny/stupid in a game according to the CBS announcers
When he tripped right in front of the end zone, Tim Hightower made a Highlarious mistake
by Senorfrogz October 18, 2011
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