flapping cheeks

What you get when you let a prodigious fart, or binderfender: your cheeks flap.

Bronwyn got a bad case of flapping cheeks in dance class today. She cleared the room three times.

by The Wog Whomper May 14, 2005

Fappinstance

Interacting with someone who is masturbating, while you were already masturbating, either in person, via phone call, text, or internet.

I was wandering around jacking off when I walked in on Mike masturbating. He said it was a coincidence, but I think it was just fappinstance.

by Rynokie May 26, 2013

Fart flapping

When a female uses a vibrator so powerful it causes the vaginal lips to slap each other causing the lips to make a "fart" sound.

Sarah: hey Jen did you use the penetrator 6000 last night?

Jen: yeah it literally caused me to fart flap it was hilarious.

Sarah: oh Jen you love abit of fart flapping.

by nipsmandem May 18, 2014

fish flapping

the female equivalent to tea bagging

When playing The Last of Us as a female, she can't tea bag like a man so she uses her smelly fish to go up and down on the face of the corpse which is defined as fish flapping.

by sexyFrendo June 23, 2015

gum flapping

Gabby won't shut the fuck up

Gabby is gum flapping again

by MrButcher December 21, 2016

slippy stiffy flapping

Combining Viagra and Red Bull to increase sexual performance and stamina. Then creating a small retaining pond with a bed by rolling up blankets and placing them near the edges of the bed and then laying plastic over it so liquid won't run out. Then filling the small pond with several bottles of baby oil and stiffy flapping in the home made pond of oil.

Slippy stiffy flapping with that Victorias Secret model last night was the greatest night of my life.

by JakeMontana February 12, 2017

Fappin' Fever

When someone is stuck inside for too long with nothing to do they may go crazy with fappin' fever (uncontrollable masturbation).

Guy 1: How was your break? I heard you were snowed in for a week.

Guy 2: It was a dark period in my life, I was stuck on my computer all day.

Guy 1: Fappin' Fever?

Guy 2: I'm chafing...

by Schlong Connery February 10, 2010