MasherB 

the coolest and beatest person ever, also the #1 shrek daddy

1. MasherB is so cool

2. MasherB is #1 Shrek Daddy

MasherB by MasherB May 10, 2021

Maskerbating 

Wearing a mask while completely alone

Before I even realized it, I was maskerbating in my car yesterday!

Maskerbating by Photoist July 28, 2020

Idahoan Potato Masher 

A common sex position in Idaho where a man puts a potato into a womans anal cavity and proceeds to pound her ass until the potato is finely mashed.

Dude, I just gave that bitch an Idahoan Potato Masher!

Idahoan Potato Masher by datllamaoverthere May 17, 2016

Masterbassion 

(n.);masterbassing-(v.) pronounced: Mast-er-bash-un
The stimulation of ones own bass guitar, especially slapping, which results in immediate pleasure and self-gratification. Depending on the length and intensity of masterbassion, pain and/or blisters may develop.

Idle hands lead to masterbassion.

Masterbassion by Glason j Laausser March 26, 2010

Masterbathon 

a masterbathon is a day that you stay home from school "sick" so you can beat off so many times that you are dry and chaffed and can't walk so the next day you have to stay home and do it all over again

Mike: "Damn jimmy has been out of school all week"
Steve: "I konw he must be having a masterbathon"

Masterbathon by LifeguardSteve April 27, 2004

Masterbeast 

To masterbeast is:

1) To play alone in a multiplayer game by yourself because your friends don't want to play with you.

or

2) To be a badass when the rest of your team is down and out.

1) Yesterday I was masterbeasting because you guys didn't want to play with me.

2) Damn all you fools suck, I had to masterbeast for us to get through the last round.

Masterbeast by THE ON3 November 2, 2011

shit masher 

When a person takes a dump in their hand then mashes into their beard enthusiastically.

I see Frank is growing a beard again, I bet that's so he can mash shit into it all day...he's such a dedicated shit masher!

shit masher by Fanny Worthington March 10, 2018