To flexed all of the muscles in ur body at the same time.
1. Dude, my girlfriend walked by this guy and as soon as he saw he flexed-out.

2. Whenever I see a hot girl I get flexed-out to look buffer.
by J I Z Z L E March 11, 2009
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Passing out from flexing too hard and too long
Man that guy totally ended up flexing out at the gym from showing off for a totally rocking babe
by Nosilla Rellim October 18, 2013
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1. making a deception of something that's true or not true.

2. being something your not.

3. acting fake.
Bit;; Stop being flexed out, You know what you did.
by dimples_14 December 18, 2009
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When you have sex with a girl and she is left wore out spread eaglet
That girl was fine, i left her ass bucky naked and flexed out
by ulubme April 10, 2014
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tryin to act like something you're not.
Man! You aint kiss that girl. You are so flexed out!!
by Tito Gallon November 13, 2008
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To masturbate and climax causing you to "flex out" and fall asleep also know as sleep skeet
I couldn't sleep last night so I flex out and fall asleep
by Romo789 August 17, 2015
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