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.

The Ecuadorian Guinea Pig by ....that one guy January 13, 2014

Guatemalan Guinea Pig 

Find a partner with a raging bush, then perform anal sex. When your almost at climax pull out and have your partner poop a large plump turd. Ejaculate on the plump log to create the glue, then shave your partners bush onto it giving the appearance of a guinea pig. Now you have a pet you can kick around and enjoy.

Dude I was with some fat bitch the other night and we did a Guatemalan Guinea Pig so after sex we played around with it for hours...then we danced.

Guatemalan Guinea Pig by Big Randall February 21, 2011

steaming your guinea pig

Taking matters into your own hands

It is needed for steaming your guinea pig.

steaming your guinea pig by mr. mere bohnen September 2, 2009

Angry guinea pig 

have intercourse with a person so hard that they squeak like a guinea pig

i could hear george angry guinea pigging all night.

Angry guinea pig by george the guinea pig December 15, 2008

biscuit (guinea pig)

A guinea pig biscuit is a very happy guinea pig. Most of the time, they live quite longer than regular piggies and are a pet to cherish. They are skittish, but loving to there owners. They are a little harder to train than other guinea pigs, but they are great pets!

Biscuit (guinea pig) is my new guinea pig, and she is very loving!

biscuit (guinea pig) by I know everything on guinea pi March 21, 2017

New Guinea pig

1. A pig or sow from new guinea.
2. A person who was vaccinated prematurely.
3. A person who volunteers to be shot via a hypodermic needle with experimental drugs

Guy 1: Back in the days when measles didn't have a vaccine, my great grandfather volunteered to be experimented on for the sake of finding a cure; today, the people who are getting that covid 19 shot are the New Guinea pigs.

New Guinea pig by Steven Stephalonavich August 24, 2021

The guinea pig 

A sexual act where the female fellates the male with the male's penis deep in her throat. The male then proceeds to punch the female in the stomach so that the female gags and makes squeaky noises simular to that of a guinea pig.

Anne walked weird all day, I'm sure she and Bill did the guinea pig last night and it still hurts.

The guinea pig by BigNerd9000 June 28, 2017