Guinea Piggin' 

The act of simulating sex to the point of orgasm through humping motions while clothes remain on.

I had to resort to guinea piggin' the bitch on account of her stanky snatch.

Guinea Piggin' by GerbilLuver87 June 13, 2009

guinea pigging 

v. A term used to describe the act of testing something, generally software related.

Guy #1: Hey, I just finished testing that change you made to the software. It works great.
Guy #2: Sweet! Thanks for guinea pigging, man!

guinea pigging by thecooley September 22, 2007

full-on guinea-pigging 

When playing "just the whiskers" isn't enough.

She made me promise to keep it just the whiskers, but we ended up full-on guinea-pigging all night long.

full-on guinea-pigging by Element_X March 21, 2017

guinea pigging 

the act of inserting a guinea pig or other animal (generally in the rodent family) into one's orifice

Man 1: Let's go guinea pigging tonight, man!

Man 2: I'm down. Let's head to the pet store.

guinea pigging by JonBonJovi72 September 26, 2011

Guinea pigging 

A sexual act where you insert your whole arm up the anus of a man/women. Blood is the only lubricant involved. This act usually involves rolling up the sleeves of your shirt. It is also known by a certain cloud of gathers as a NB.

Friend 1 : Yeah, I was Guinea Pigging my wife last night.

Friend 2 : Oh yeah your wife is loose!

Guinea pigging by Bruntwins June 20, 2011

Guinea pigging

When someone tries to gain social standing or power by using another person as a test subject, pressuring them into doing embarrassing or humiliating things for entertainment or control, usually at the other person’s expense.

He kept daring her to do humiliating stuff in front of everyone just to look cool. That wasn’t joking around — that was straight-up guinea pigging.

Guinea pigging by GuinneaPig January 19, 2026