Not responding to text, or calls: avoiding people: Not following through with word/or promise.
"I thought you were gonna hit me up?"

Oh, i forgot.

"Shut up you a FLAP!!!"

-____-
by NDP!! February 7, 2013
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When you fail at something or something goes wrong, used mainly in the North West of England.

Can be exaggerated to flapped everywhere.
Example 1:

Dave: "Can I roll a joint?"

Tom: "Nah, you're just gonna flap it like last time"

Example 2:

Jay: "I was trying to get into that girl but her fella came over and I flapped it everywhere"
by FlappedJoint March 3, 2012
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Derogatory for workers at big box/chain, auto parts retailers that employ low skilled workers. F-ucking L-ocal A-uto P-arts S-tore.
The idiot at the FLAPS gave me the wrong part again.
by hutch1200 September 21, 2011
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“Bro, I just took a fat flap.”
“Just flapped.”
“I’m bout to take me a flap.”
by doggydoggsaladstew August 24, 2019
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The art of smacking your erect penis against your inner thigh to the point of climax.
"I walked in on my brother flapping and listening to the audio of a slaughterhouse."

"I had to rip out all the leg hair on my thigh because they were covered in cum from me flapping."
by theflapmaster December 18, 2013
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The act of female masturbation. The female version of 'fapping' with reference to the flaps of the vagina.
Girl, I was flapping all night to fifty shades.

Summer to-do list: Slip, slop, slap and flap.
by SnowGirl October 3, 2014
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