The sound you make when you shout the f word and throw your computer out of the window when you got 98-99% on a hard level.
Guy 1: Hey i'm about to complete this hard level!
(Gets hit by a spike at 98-99%)
fuuuuuuuuusmash

(throws his computer out of the window)
by bored keyboard master April 9, 2019
Get the fuuuuuuuuusmash mug.