Masturpainting 

The act of masturbating while painting a wall, or using your jizz to paint a wall.

Isaiah's mom caught him masturpainting in the bathroom.

Masturpainting by godlike823 June 10, 2011

masterpainting 

When children masterbate at a young age, but they don't know what it's called, and so the teacher refers to it as 'masterpainting'

He's rubbing his boys on the carpet again...
He's masterpainting

masterpainting by frisknock November 15, 2013

mastertainter

Expert in the art of taint tickling. Being a master in manipulating the skin between the chocolate starfish and the mountain oysters for pleasure.

Jackson was having his taint tickled and screamed out “hoo new, hoo new Trudie was a mastertainter!”

mastertainter by Taint Right III September 16, 2023

masturpainting 

the art of masturbating while painting or using your cum to paint a wall

Ryan finished masturpainting the bathroom

masturpainting by jimmybot3 May 29, 2011

Masterbaint 

The act of masturbating over ones partner, and upon ejacualation, the ejacuator let's go of their penis, allowing the head of the penis to smack the Taint of their partner below. Usually in an upward or lower swing. Must be done with an erect penis, to allow proper "tension" swing.

Let me "masterbaint" your taint.

Masterbaint by Lol_you_people_ June 25, 2018

mastertainter

Expert in the art of taint tickling. Being a master in manipulating the skin between the chocolate starfish and the spunk tanks for pleasure.

Jackson was having his taint tickled and screamed out “hoo new, hoo new Trudie was a mastertainter!”

mastertainter by Taint Right III September 16, 2023

Mastertaint 

The sexual act of masturbating with just your taint to expel evil, inspired by the Grey Wardens of Dragon Age.

The only way to beat the evil is to mastertaint. You have to master the taint to keep from going crazy

Mastertaint by mexidragonpuss January 14, 2024