A man or woman who has truly mastered the ability to be a douche bag and deserves the title of being a master flex in their talents.
You my friend are a douche master flex for eating that fish taco!
by Jack Meoff February 3, 2005
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1. A lesbian who has not got her pussy touched in years. Basically, she has cobwebs and/or bats roaming in her old, flappy, dust-ridden, vagina.

2. An obese, cow-like bitchwhore who's only sources of pleasure are eating three buckets of KFC and sticking Hershey bars (with Almonds, dark chocolate will do) up her dirty sanchez asshole.
Steve: Suzy is such a dike master flex, no one would ever touch her dry-to-the-bone pussy willow.
by slanty eyed sam July 24, 2008
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n: a person who falls hard ALL the time. The greatest master of all biffs known to man kind. Someone that falls so hard that it even makes you feel the pain.

see also: biff,biffs,biffed
Devon: HAH! Did you see Howard biff when he did that triple flip kick for the hacky sac?

Damien: yeah what a fucking kid eh? He does those tricks all the time and ALWAYS falls.

Christine: Yeah he fucking biffed sooooooo hard... We should call him Biff Master Flex.

by ae123456 January 15, 2009
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a small penis,
the blit noodle,
the little one,
the junior baccon blit,
the tiniest penis you will ever see.

the tape master flex can be hereditary, if your father or your fathers father has a small penis, you will most liely have the "tape master flex"
" hey i herd that guy over there got the tape master flex"

"yeah, hes pissed"
by sweetsab6 January 24, 2010
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A slut who goes around and blows the squad
Sherry Moore is the blow master flex of penn state altoona
by Millerxxx11 November 18, 2015
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When a fiend is controlled by the vagina of the girlfriend. He will always ditch you at school to hang with his pussy. And cant do anything about it because he is a bitch!
Brady- "Hey erich wanna hang?"
Erich-"No i gunna-"
Brady- "Oh! your pussy called. Whip master Flex of to work"
Spencer- "Dont even bother asking him to chill"
by Brady White April 30, 2009
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