They can either keep mud off your car, or envelope your knob.
What's the difference between Mud Men & Mud Women. Mud Flaps!
by jadio u no August 15, 2003
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Flaps are a part of womens genitila
Get ya flaps out
Lets see your flappies
Shes got well nice flaps
by Nogwardo February 24, 2008
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A 'Flap' is the name derived for a woman who you wouldn't necessarily 'go out with' or 'date' but you'd definitely have sex with.
"She's definitely a flap!"

"I don't think she's like that fit, but she's a flap"

"Her eyes don't really do it for me, she must be a flap"
by Bowms and Buns February 22, 2013
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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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