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1. Fap Out Nap Out.
To masterbate and then fall asleep.
Example:
1. "Sorry I'm late, I had a FONO night."
2. Me: "Steve, whatcha doing later?"
Steve: "My girl not giving any, just going home and FONO."
by kdiesel88 September 10, 2016
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2
1. Fap Out Nap Out.
To masterbate and then fall asleep.
Example:
1. "Sorry I'm late, I had a FONO night."
2. Me: "Steve, whatcha doing later?"
Steve: "My girl not giving any, just going home and FONO."
by kdiesel88 September 10, 2016
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Get a FONO mug for your Facebook friend Beatrix.
3
1.A large headed dumb, kid from sled lake. Has a fro, and likethe penis. 2.Anyone like this kid.
Ewwwww... It's Fonos!
by Bob March 14, 2005
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4
Acronym for 'Friend of No-One'. Usually applies to friendless loners who sit in the corner... and cry.
Person A: That George is such a loner.
Person B: Oh, I know. He's a total FONO.
by Sonya August 21, 2004
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5
fake mono. also known as "the kissing disease".
Jennifer: "Yeah, I went to the doctor & she told me i had Mono, but I'm definitely feeling better & its only been three days"

Me: "so you have fake mono?"

Jennifer: "yeah, i have Fono!"
by WestGaGirl January 21, 2009
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