masterpoo 

The act of beating off while laying a Cleveland steamer.

I'd rather be masterpooing!

masterpoo by d-rox September 27, 2005

masterpoo 

Beating-off while laying a duker.

What'd you get up to last night?

Not much. I drank a box of wine and then stayed up masterpooing after my girlfriend went to sleep. You?

Same thing.

masterpoo by Skrunk-D October 4, 2005

mansterooni 

A person who slaps their thighs together

Some sluts are Mansteroonis

mansterooni by Frankane April 13, 2015

Masterofallseals 

Also known as Sealy, seals, and sealz

A Roblox user that is known for purchasing the most amount of in game currency on the platform.
Also known for flexing on most users with his well known dominus praefectus with fiery horns combination.

Wow MasterOfAllSeals is really rich!

Masterofallseals by RobloxLeaderboards September 6, 2019

masterdome 

The greatest and largest weekly rave venue ever to hit Los Angeles in the late 90's thru 2001 venue in San Bernadino, CA. With 3 areas in Trance, Hardcore, and Drum N Bass. This venue was large enough to accomadate 3-4000 people weekly for over 20 months strong. If ever there was a rave venue that could pack week after week regarless of the show, it was The Masterdome. Long live... masterdome matt,

Whole *#!%, that party at the Masterdome last Saturday was freaking CRACKIN! I love raves!

masterdome by Masterdome Matt January 5, 2004

mastercloud 

when you hit 3 or more vapes at once, the smoke produced from the hit is a mastercloud

I dare you to zero out on the mastercloud

mastercloud by mastercloud55 June 16, 2018

mastergox 

mastergox is a guy that is addicted to creating discord bots. mastergox doesn't about his friends and only cares about making discord bots. mastergox think he's going to get rich by creating discord bots even tho everyone knows he isnt.

friend: "lets play some games?"
mastergox: "NO! Im busy making my bot!"

mastergox by lucosaures November 24, 2020