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extremely under the influence of drugs, particularly marijuana, cannibus, herb, weed, sticky-icky, etc..
Man I went over to Keith's house after work, and got fuckin' dumb high my nigga!!
by Steven Evans July 18, 2006
blazing so much weed that you forget simple things (i.e. name, address, phone number, etc).
"yeseterday i blazed two blunts after work on the way home and by the time i made it to my street i forgot which house i lived in. i was dumb high!"
by F.A.I.M. July 28, 2006