1. The act of moving one's partially erect penis up and down and possibly side to side without the use of hands or the power of a pelvic thrust

2. Using the muscles at the base of the penis to control the movements of the penis when partially engorged with blood.

See Also: Jabber-Wickling
1. Wow, I got really bored in math class so I was Flopping under the desk.

2. When I want to confuse a girl and I am in my sweat pants I Flopping until she notices.
by Daryl L. May 13, 2005
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That sensation one can experience when they collapse onto a comfortable surface after strenuous activities. This feeling occurs after a "flop" has taken place, which is the action of flopping down onto the comfortable surface. At times a good flop can in fact surpass the feeling of sexual intercourse.
Gavin: " That flop was outstanding! I feel truly flopped.

Dylan: "I was so flopped last night I almost jizzed!"
by Goerge101 June 19, 2011
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3 cards dealt face up at one time in Texas holdem poker.
MaineBowl called in spite of his weak 7-2 offsuit, just so he could look at the flop. What a moron.
by Cosmicstargoat April 24, 2004
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A pair of female breasts. Usually referring to and ugly, 'floppy' or sad looking pair of breasts. Not a flattering term; do not attempt to use as a compliment, such as : "You have an amazing pair of flops."
That hose hound had some serious flops on hers.
by mttcnnn January 24, 2014
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The alternative to the planking game it is an activity consisting of flopping over objects in a public place - the stranger the better - and posting photos on social networking sites.
To start in flopping you have to perfect your technique. To do this you may need to spend a good few hours flopping over objects in your home, imagining that you are a floppy doll. It is best to practice in the privacy of your bedroom or living room before you’re ready to take your art to the streets.

Happy with your flopping style? Now it’s time to identify a target. The more outlandish and exotic the better. Don’t be afraid to think big.

Having a few friends round?

Flop over friends (permission will be required).
by The flopmaster July 22, 2011
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A person who fucks every thing up or just does stupid ass shit.
Person 1(flop):(pretending to spill your drink then actually spills it).

Person 2:clean that shit up Flop ass bitch b4 u get fuckin merked cuz!
by lal313x February 8, 2008
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