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 1, 2009
Get the Fexmug. by jf1 June 8, 2007
Get the fexmug. by Bex {For Paul, Man of few words} March 13, 2007
Get the Fexmug. by hannah212 December 25, 2008
Get the fexmug. by TheMonaLisa April 29, 2011
Get the fexmug. "Future Ex." Existing entirely of unpaid bills, legal paperwork, or the need to pick up the rest of your stuff.
by indice August 11, 2009
Get the Fexmug. by Pat Harris October 3, 2006
Get the fex hairmug.