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GuyMaster 

A sexercise machine loosely based on the tv infomercial sensation, the thighmaster, with the addition of an interchangable dildo.
My girl just got one of those new GuyMasters...man that's not your momma's exerciser! It was as much fun for me to watch as it was for her to use...I think I'm gonna get one for myself!
GuyMaster by Double DD March 28, 2010

GISmaster 

Someone who is familiar with a Geographical Information System. However, these people are often mistaken for a jizzmaster.
Smitty is a GISmaster.
GISmaster by Bruce Smith December 10, 2008
The name of an overpowering God, greater than all, who is sometimes referred to as "Rodrigo" or "leader of men." He holds everyone's highest respect.

Godmaster may be shortened to GM for colloquial use. When talking about "YOU" this is in reference to the Godmaster.
Diego: "YOU are the Godmaster!"

Rodrigo: "No YOU!"

Diego: "What a GM."
Godmaster by Godmasterfan December 24, 2010

gagasterbate 

when you listen to Lady Gaga's music, watch her music videos, or observe her actions and you feel enlightened, inspired, and/or excited.
I had extreme writer's block, so I gagasterbated and wrote the most amazing essay ever!
gagasterbate by chilledbiscuits November 20, 2010
When you eat a pie of pizza or something like that and hot fucking fury shoots out of your ass cheeks
Kogan that chocolate fountain and pizza is a recipe for a gasasster
Gasasster by Naor the man December 27, 2019

Gaymaster 

A master of all gays. All gaylords report to a gaymaster.
You are becoming aware of yourself as a gaymaster.
Gaymaster by kam75xx December 31, 2018
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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