Top Definition
A male or female who's jaw dislocates multiple times while performing oral sex.
Carl: What happened to you last night?
Frank: Picked up a hooker for a little blow and go.

Carl: How was it?
Frank: Rough. Bitch must of had her jaw busted by her pimp. She was a Flap Jaw. I kept thrusting it out of joint.
by Pierce Hyman May 03, 2015

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A male or female who's jaw dislocates multiple times while performing oral sex.
Carl: What happened to you last night?
Frank: Picked up a hooker for a little blow and go.

Carl: How was it?
Frank: Rough. Bitch must of had her jaw busted by her pimp. She was a Flap Jaw. I kept thrusting it out of joint.
by Pierce Hyman May 03, 2015

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
A person or persons who are afflicted with the infamous "doesn't stop talking" disease, otherwise known as Warren Sapp disease.
Quit yer flapjaw.
by Bob Smiley December 15, 2003

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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