Kinda like tittyfucking, but with ass cheeks.
Hannah's ass cheeks are calloused from the dozens of men she's been flanking with.
by chepatitis February 17, 2009
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Your money ain't making a profit in the bank turn her around and look at her flanks
by Dick33 September 24, 2008
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A very usable word. Can be used in many different situations, sometimes replacing words.

A verb or adjective.
Sometimes you can take plank and add the suffix of another word. Ex. Flank + fantastic = FLANKTASTIC!
WOAH, that's totally flankin!

HOLY FLANK!

What the flank!

Wow you flanker

hahaha that's flanklarious
by peacocksarecool August 24, 2010
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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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