Slapwank 

Light to vigerous tapping of ones genitals until orgasm is reached.

“I’m going to eat this Sunday roast and then slapwank myself silly!”

Slapwank by Methencheesethenmethencheese May 9, 2018

slagwank 

a combination of words devised by a Genius, to form a rather disgusting insult.

oh, Faiza, you are such a slagwank

slagwank by Eleanor107 June 23, 2007

slapwang 

something that is a piece of fuckin wang to the ass. this is a word that is frequently used to describe things that are a piece of fuckin shit

the philadelphia eagles are a fuckin slapwang fuckin football team

slapwang by dominique rodgers-cromartie November 30, 2011

slapwinkle 

The parasitic fleshy spore often found clinging to the back of victims of smit dick. One famous case was the legendary Hindmarsh popularised in many Alfred Hitchcock films in the 1960's.

A BBC news article 1999-Food hygiene experts have today called for the withdrawal of the McDonald's snack the 'happy meal', this is after it was discovered that the product contained dangerously high levels of slapwinkle a dangerously smitty bacteria, which can cause immediate death.

slapwinkle by skogg noof May 13, 2005