2 definitions by ($0$)

a mentally challenged who thinks he is the shit and dances to fortnite emotes.
Tyler: Dude, look at me do the default dance from fortnite.

Kye: what are u, Fucking fortistic?
by ($0$) August 8, 2018
Get the Fortistic mug.
A deadly mental illness which causes innocent kids to be a virgin forever

also a close relative to the word Fortistic
Kyle: DUDE! I got laid yesterday! How about u?
George: soz dude but I have Fortism
by ($0$) September 10, 2018
Get the Fortism mug.