The extra wrinkly folds as obtained from having such conditions as Hound Dog Syndrome (HDS) are wrapped around the penis and used as a fuck toy. The penis is thrust into the surrounding flab of skin, usually with some form of lubrication, either saliva or artificial lube.
"That fucking ex-fatty Sarah was giving me terrible head, so I flap trapped the fuck out of her."
by 1fist2far June 22, 2009
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When you go to the store, and see several people, but you can’t escape talking to them and get stuck talking for a long period.
Dad, don’t get caught in the Flap Trap.
by Humble Goose November 26, 2018
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The act of capturing a man so intensely that you win him over by using your vagina as leverage.
Homie #1 : yo dawg that girl got you doing whatever she wants 24/7.

Homie #2 : yea bro she been flap trapping me for weeks.
by ClovertOperation April 09, 2018
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