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 Eaton Holgoode May 02, 2015
Get a Flap Jaw mug for your bunkmate Georges.
Jul 14 Word of the Day
Over-The-Pants-Hand-Job. Distant cousin of the dry hump.
I can't have sex because my parents are home. Will you settle for a OTPHJ?
by Kalticious Dawg January 18, 2004
Get the OTPHJ neck gaiter and mug.
2
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 Eaton Holgoode May 02, 2015
Get a Flap Jaw mug for your boyfriend Jerry.
3
A person or persons who are afflicted with the infamous "doesn't stop talking" disease, otherwise known as Warren Sapp disease.
by Bob Smiley December 15, 2003
Get a Flapjaw mug for your mate Abdul.