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the mental or physical effect from the use of THC weed the feeling of being high.

high yet keeping your composure
got treed up!
by D Nevs May 25, 2011
to stay high off that marijuana
girl: dude, im stressin. people just piss me off

buddy: when im stressin, i stay tree'd up
by taochick February 26, 2009
(1) To be monetarily screwed on internet transactions...

(2) To be the victim of useless aggression...

(3) Raarrhhhhh Mr. Negativity...
Damn, Steve Gardner sold me a $30 Toyota steering box for $50. I just got Tree'd up.
by Gumbo December 15, 2007