1 definition by poptartxoxo

Top Definition
an acronym meaning Too High To Function, normally used in txt or over IM when someone keeps telling u things and ur too high to understand/care what the heck they're saying
person 1: guess what! i think i figured out why my fone didn't work cuz the thingy broke and then that one part got fixed and then it only sorta worked ya know?

person 2: THTF dude tell me about it later.
by poptartxoxo September 12, 2010

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