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Feeding the guinea pig 

A german way of saying to shag someone's girlfriend when the other person's streaming
Alright guys, I'm gonna be feeding the guinea pig soon,brb.
Feeding the guinea pig by DonnyDucky September 27, 2017

Charlie the drunk guinea pig 

A character created by Smosh (Ian Hecox and Anthony Padilla) who is a british guinea pig and is often drunk. He has his own twitter and answers questions. And he's pretty fucking awesome. YA POOFS!
Dude 1: Hey, did you see this week's Smosh episode? It had Charlie the Drunk Guinea Pig!

Charlie the Drunk Guinea Pig: Shut up and get me some booze, ya poof!

The Ecuadorian Guinea Pig 

The act of a male rimming a female that is on all fours while proceeding to finger her, resembling the manner in which one would eat a guinea pig in Ecuador.
"hey, how was Ecuador?"
"Good, I gave this prostitute The Ecuadorian Guinea Pig.

theguineapig 

The one who is usually getting his ass kicked at whatever it is he may be doing.
Maybe someday theguineapig will stop sucking so hard and actually pull off a victory? naw...
theguineapig by iggitychin August 18, 2009
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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