1 definition by Seebsknowsbest
Acronym for "Fallacy Until Proven Otherwise." Often used immediately after an individual says something that is hard to believe or flat out absurd
Friend 1: Last night I was at a party and totally laid out this drunk guy
Friend: Yeah whatever that's a total Fupo dude
Friend: Yeah whatever that's a total Fupo dude
by Seebsknowsbest November 26, 2016