The FACK algorithm is based on first principles of congestion control and is designed to be used with the proposed TCP SACK options. By decoupling congestion control from other algorithms such as data recovery, it attains more precise control over the data flow in the network.
"FACK my network, please"
by Serafim February 07, 2007
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v. to yak, while fucking.
I raised my Yakarma Score 30 points while I was facking last night.
by swalmzzzzz April 15, 2014
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(FACK FACK FACK I AM IM GOING TO CUM-Eminem)
by SlimTheRapGod June 12, 2019
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A prolonged way of saying "fuck" when you are busted in an awkward/uncomfortable situation.
Timmy: "Chaz shit his pants yesterday."

Shelly: "He's sitting right behind you..."

Timmy: "Fack..."
by Mere Scraps August 02, 2009
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A variation of fuck that you exclaim out loud in a questioning tone when something unfortunate, suprising, and/or stupid happens; a shortened "What the fuck ?!"
by G I N F U July 28, 2008
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Facking(fak-ing)(Verb)-A verb to describe the action of one person fake hacking usual done to impress friends or women usually done by making a simple html page that looks like a hacked page that you would normally see at a real hacked web site then typing in the website you want "hacked" in the address bar then taking a screen shot and then sending the screen shot to friends
"God,Dave is such a tool,he`s always Facking to impress chicks"
by Joshua Carey May 25, 2008
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