Stainmaster 

A extraordinarily "wet" sounding fart that you imagine will leave a giant stain in the underwear.

Holy Crap John! That fart sounded like a serious Stainmaster! That ones is going to leave a skid mark for sure!

Stainmaster by endopretendo April 7, 2011

Stairmaster 

A legend who is known to have sexual intercourse under flights of stairs at John Marshal High School. He Is now graduated and living the sauce life.

Student: too bad stairmaster isn't here anymore. I looked up to him so much.

Stairmaster by stairmasterisgnarly January 19, 2014

stairmasterbating 

To engage in an intense exercise or fitness regime which causes one to ignore relationships and responsibilities; usually a short-lived affair seen at the beginning of the year and immediately prior to bikini season.

Jessica: "Sorry I didn't call you back. I was on the treadmill. I love the way I feel now that I'm losing weight!"

Martin: "Well, I swear to God, if you don't answer the phone again because you're stairmasterbating I'm going to come over and poke Rocky Road down your throat."

stairmasterbating by vaguelyethnic March 29, 2010

Stackmaster 

A stackmaster is someone who collectively gets them hoes. Not to be confused with a slut, a stackmaster is a compliment.

Meagan and Burgundy are some real stackmasters. Look at all of their men!

Stackmaster by flyingdonkey August 18, 2018

Smaimaster 

A youtuber who failed on april 5th, also has a massive ego

Smaimaster failed on april 5th

Smaimaster by TheAustraliangovernmentlol July 29, 2019

Cleveland Stairmaster 

While walking up a flight of stairs, taking a projectile shit or sharting (fart & shit at the same time) on the person behind you.

Guy 1: Dude you wouldn't believe what my girl did last night!

Guy 2: She didn't fake it?

Guy 1: Nah, I was walking up stairs behind her and smacked her ass and she suprised me with a Cleveland Stairmaster!

Guy 2: Dude....

Cleveland Stairmaster by Skadandy88 December 14, 2010

staremaster

A person who stares at you relentlessly and continuously....on and on or over and over......just cant take their eyes off of you! A person that watches your every move, for reasons of jealousy, envy, or just plain nosiness!!!

I dont know why that old man is looking at me everytime I move, he must be bored! STAREMASTER!!!!!

staremaster by biggfoxx January 13, 2011