Top Definition
If someone is rude, ignorant or a complete dumb ass.
While observing the WW1 two minute silence a gentlemen who has no respect is gassing on the phone... Can you hear that guy? He's such a Long Flex!
by Ricardo, Desmond & Sandeca November 11, 2008
To do more work than nesscary, like when someone flexes their back more than needed to do something.

This phrase is usually assoicated with doing with doing extra credit homework or taking 2 hours to work that can easily performed in 30 mins, generally all schoolwork that geeks and nerds do.

Me:How many of pages of coursework you do? I did 9, font size 14

Zubair: Man I was up till 3 in the morning and did 33 pages, font size 10.

Me: Your long flex dude.
by Carl Anka February 26, 2006
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