Ground Slapper 

Huge floppy feet that slap the ground as you walk.

"bro got them GROUND SLAPPERS!"

Ground Slapper by MostLIkelyMe April 8, 2023

Sand slapper 

A hand job but instead of lube they person uses sand and spit

My girl gave me a sand slapper on Daytona beach at night and I got a yeast infection but it was great

Sand slapper by The mans dictionary June 23, 2023

Knee-Slapper

/nē/ /slapper/

Noun

1. A joke; typically a pun or otherwise regarded “Dad-Joke”, the humour of which prompts an audible slap-of-the-knee from one or more of the parties involved.

Ron: “So me and the wife were down in Mexico last month, and she twisted her ankle at Salsa Night”.

Gord: “Oh no, what did you do?”

Ron: “I called ‘Nine-Juan-Juan’”.

*Audible laughter and slapping-of-the-knee*

Gord: “Jesus Murphy, Ron, you really had me going there for a second. Now that’s a Knee-Slapper”.

Knee-Slapper by be4nz1111 August 20, 2023

sperm slapper

‘noun’ : ‘a person who tends to dab sperm on another person after ejaculation. Typically applied on the back, around the rib cage and the buttocks.’

I went home with a guy who was a total sperm slapper. There was cum all over me

sperm slapper by BillithandJephphy November 23, 2023

Ham Slapper 

Someone that constantly masturbates.

Boy that kid is a ham slapper he never leaves his room.

Ham Slapper by Daddy Norm February 5, 2024

soap slapper 

A person which puts his penis in a soap bottle and masturbates by shoving it up and down.

I can imagine Jeffery being a soap slapper, what a freak!

soap slapper by Heisenberg308 August 3, 2024

Mega Slapper 

When you have your erected penis out and a group of people repeatedly slap it all at once until they either get tired or when it falls off, and by it i mean your peanits.

"Dude, I got a bunch of people to give me a Mega Slapper at the party last night!"

Mega Slapper by The Gooning Giant June 10, 2024