To not achieve wanted results or to fail miserably
Katy Perry has never won a Grammy, she is a flop.
by Pop Cop October 26, 2013
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When a penis Is neither erect or on a semi. Its simply laying there, floppy, ehhh manda. ;
On the flop in irish class ehhhhhh ;
by Emmsie September 10, 2007
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A cowardly exaggerated expression of pain or injury heavily utilized by soccer players to get a red card issued on an opponent. In most instances said soccer player shows no sign of injury or pain approximately 3 seconds after desired outcome of flopping. Therefore soccer players are cowards, pussies and cannot play competitive sports like true gentleman.
Spectator 1: Did you see <insert soccer player> get injured in the game?

Spectator 2: That pussy was totally flopping. He was back up a few seconds later.
by BunkerGear July 11, 2014
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When you constantly change your opinions throughout a conversation to cater to what the other person is saying. It is done to adjust your personality so that the other person will like you more.
Girl: I love bagels.
Guy She Likes: I actually hate bagels.
Girl : OMG, I like totally hate them too! They taste SO BAD.
Girl's Friend: Girl, stop flopping!
by Vultrex480 December 21, 2022
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Trina Vega: omg your such a flop (at singing/tiktok/everything)
Emily Floptes (montes): sigh... i know
by Mother Africa September 4, 2021
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When someone bails on you at the last minute.
"I can't believe she flopped on me."
by J.C August 9, 2005
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A failed attempt.
Something that just isn't going to happen.
Someone who will never succeed.
An idea that has fallen apart.
A home that is just a mess.
I tried to do a back flip off my trampoline, and boy was that a flop! I am now in a wheelchair.
by defininymyworld September 23, 2008
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