slapster fapster 

A girthy, manly, testosterone fueled mad man. Do not fuck with him he will slap you so hard you will ascend to the fifth-dimension and immediately die.

Girl: me me want big boy
Me: Guess what, me me slapster fapster
Girl:*cums everywhere (in the fifth dimension)*
Me: yes.
Girl:*fucking dies*

slapster fapster by Slapster Fapster October 16, 2018

Guitar Flap 

The process of a male shaking his exposed genitals from up and down, in which the penis begins to flap.

Jeff’s Mom: Jeffrey, stop waving your naked penis all over the place!
Jeff: it’s called the guitar flap you dumb bitch!

Guitar Flap by Allahman20 August 23, 2021

Falcon Flap 

A gesture of greeting and mutual respect between two people. Two hinge flapped forearms mimicking the movement of a falcons wings. Done by either one by one individual facing another or two people interlocked at elbow point. 🙅

The Falcon Flap was an easy choice for Mikey and Danny as they greeted each other at the local pub.

Falcon Flap by DannyVT December 25, 2021

pee-pee flap 

A humorous or sexy way for an intact male to refer to his foreskin. Helps women learn to appreciate its beauty instead of thinking it should just be cut off.

Angela: What's that wrinkly thing?
Will: That's my pee-pee flap. It keeps my pee-pee warm and sensitive.
Angela: Hey, it's kind of cute...

pee-pee flap by I Love Ellie Elephant June 24, 2016

windy city mud flap 

2 gays fucking and their balls sacks are smacking.

Ed and I got together last night for some windy city mud flap.

windy city mud flap by Poopie boobies November 29, 2016

fapsturbate 

To masturbate furiously, or fap.

I'm serious, did you fapsturbate to my porn?

fapsturbate by Dumpsterbaby December 16, 2007

Cunt Flap 

1. Literal term for a lip of the female vagina.

2. Vauge term denoting one holding unadmirable qualities.

"Ahh man, my Father is such a cunt flap today."

"Oh fuck off you manky cunt flap"

Cunt Flap by Synthetic Light May 17, 2006