A square, someone who is not with it. Combination of "flop + dope" = FLOPE.
In the song "Big Name Button" by the Royal Teens, they sing:
"...you're a flope and you aren't in the club." (if you don't have a big name button, which was all the rage in the late 1950s.)
by Ed 'Kookie' Byrnes January 13, 2010
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Dude: I just got braces isnt that cool
Chick: You are such a Flope

or

"this party is such a Flope"
by simonexxskittles August 6, 2009
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a floating sensation that comes of eating too many marshmallows
oh no... i ate too many flumps... now i feel as though i can flope on air
by rhiannon December 5, 2003
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A crazy thumb shaped person with no self esteem, no genitalia and no career in the future.
simon cowell is being such a flope.
by grxce September 19, 2015
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occurs by the late arrival of an occasional group member accompied by uneccessary door closing force. actions is accompied by loud "aaahhh" and multitude of emptying pocket actions with objects travelling at high velocities onto the coffee table.
Tycho - Hey guys
*SLAM*
*sits down* ahhhh
*slams keys down*
by foug January 12, 2005
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Slang for fallopian tubes. Since women don't have a set of balls, this is where you deliver a swift kick of justice when they're tripping out on you.
Damn, she's being a bitch! Kick her in the flopes!
by Nasty Canasta July 17, 2010
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Pronounced 'Floppy', military term associated with the British Army's Royal Military Academy at Sandhurst, affectionate term for foreign officer cadets, stands for 'Future Leader of Potential Enemies'.
'The son of a Saudi Sheikh's starting on our course this term'
'Really? Best learn his weaknesses. That's a FLOPE if ever i've seen one!'
by silentwetness June 14, 2012
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