Not to be confused with the Porno, a Fortnut is when one masturbates to the asses of Fortnite.
Joey: Jesus, The other day I walked in on Jack bustin a Fortnut. Why doesn't he just go to Pornhub?
by King K. Rool Jr. August 9, 2018
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The ability of playing fornite and busting a nut at the same time
Guess what i did yesterday. I had a fortnut session.
by BigGucxiSosa97 August 1, 2018
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“Where’s Jake?”

“He had to leave the party and go bust a fortnut.”
by Redheart147 July 24, 2018
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A Fortnite player, usually one who very much enjoys the game.
A Fortnut is someone who plays Fortnite and likes it enough that they could be described as "nutty for Fortnite"
Billy: "Y'know Gwen, Timmy sure has been playing a lot of Fortnite recently."
Gwen: "Yeah he's a real fortnut, I hear he's already tier 126 in the battle pass."
by Dracyan December 11, 2022
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When you bust a nut playing fortnite because your girlfriend is giving you head.
Yo my girl gave my the best fortnut ever
by Ali_P422 June 26, 2018
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This is when a male loses his girlfriend so he decides to play Fortnite then nut when he gets a victory. This causes the ball sack to become empty then his balls to dry out making him lose his testicles
Looks like I'm playing some Fortnut tonight boyyyyyyys
by Thereisnogodonlynut May 4, 2018
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