by theHunk264 March 20, 2020
To trick a virgin (mostly females) into having sex with you. In order to have true fex, the said virgin must believe that they have kept their virginity after penetration.
by Harridee February 20, 2010
girl: u wanna go have fex
Me: hell yeah, I love me some good ol fish n fuck
Girl: Im getting a little freaky uhhhhhhhhhhhhhh
Me: hell yeah, I love me some good ol fish n fuck
Girl: Im getting a little freaky uhhhhhhhhhhhhhh
by Dubiks December 26, 2018
When a guy and a girl are having sex, and the guy likes to look at her pictures online, to keep him "in the mood" and remind him that she's WAY hotter online than in real life.
by peachykeane December 07, 2009
Jeremy and I were totally going at it when I mentioned something I had no idea would start a fex; I didn't realize how mad he was until he lost his boner.
by themerm8 February 14, 2008
To have Facebook sex; i.e. engaging in and having conversations with an attractive male or female over Facebook. Also, any flirtatious interactions between two members of the opposite or the same sex via said social networking site.
"Dude that chick's profile pic is so hot. We're totally going to fex tonight."
"I just fexed with Johnny! Maybe he'll ask me to Prom now."
"He's a fexer; we fexed over Facebook Chat earlier today."
"I just fexed with Johnny! Maybe he'll ask me to Prom now."
"He's a fexer; we fexed over Facebook Chat earlier today."
by ReginaAlice December 02, 2009