toosh, adj., verb

toosh(adj.): an uncool person, flake, fake, or poser; biggest loser on the planet.

toosh(verb): to act uncool or screw something up by be being stupid/uncool; to push one's luck and fail miserably w/great shame; to flake out.

Fabio is a toosh.

GW Bush really tooshed it w/ the war on Iraq.