Slang used in Call of Duty genres meaning, too trick an opponent by going opposite the way he expects you, thus far making you trick him and kill him using the element of surprise.
"Dude he so wants me too go to the c4 package."

"Alright, flank him then."
by denman95 February 2, 2009
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"Man, you flanked my eight. What can I do!"
by Chris!! April 28, 2007
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The process of sitting in the seats right next to people in prime seating in a movie theater in an effort to make them uncomfortable and encourage them to move so that you can steal their seats.
Those two have my favorite movie seats! Let's try flanking them. You take the seat on their left and I'll take the right. The incursion into their personal space will get them to move.
by jugrock January 14, 2013
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To pwn someone, either figuratively or literally, by bludgeoning them upside the head with your gigantic cock.
Buzzed Bunny says to flank the fuckton of ninjas that show up when you're fucking your girlfriend in the ass.
by AceMaster2000 May 5, 2006
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the term for anal sex when your getting flanked from behind.
by xylience July 2, 2010
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A prank move pulled by two conspirators in a men's restroom that does not have barriers between the urinals. Ignoring proper urinal etiquette, the two prankers come up on either side of a lone pisser and angle 45 degrees so as to piss into the same urinal as the man being pranked. Usually complemented with a conversation across the middle man.
Hey, this is a perfect time to flank him, let's go.
by kidnutrageous June 3, 2006
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When someone flanks you or a team
Guy 1: Let’s go this way!
Guy 2: Oh no they flanked us!
Guy3 & 4: Ha ha we are be hind you guys!
by Name1And2 June 1, 2018
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