My Gym Partner Is a Monkey 

One of the biggest pieces of shit to hit television. About some kid who has to go to a school full of fuckin talking animals because his last name is "Lion". So freakin' stupid. This term can also be associated with anything that's a piece of shit or anything that sucks ass.

Waiter: How was the food?

Person: It was a complete my gym partner is a monkey!

My Gym Partner Is a Monkey by Monad December 29, 2007

Sex Partner 

A person which you have only sex with

Guy 1-Have you seen Jakes with Tessa
Guy 2-Bro she’s my sex partner

Sex Partner by Rick&Morty Lover123 April 18, 2020

fucking partner 

a person you fuck but have no feelings for

fucking partner is your local whore

fucking partner by ishmal September 1, 2006

Stunt Partner

A stunt partner is a colloquial term for friend with benefits.
A person who you engage in casual sex with.

Jill is single but she and Jack are stunt partners so I would wrap it.

Stunt Partner by geniusxfox February 14, 2012

workout partner 

Partner with whom one engages in a(n) exercise routine.

Greenie and Michael Irvin are workout partners.

workout partner by 43130 January 6, 2016

Appreciate Your Partner Day (Which is everyday) 

December 5th, the day to express your love for that special person in your life. Your babe, your shordy, your hunbun.

"I fucking love you so much" I love Appreciate Your Partner Day (Which is everyday)

Appreciate Your Partner Day (Which is everyday) by Appreciate Your Partner Day December 5, 2021

Shadow Partner 

Term used mostly in drug dealing to describe a person that helps, observes and reports to the drug dealer in command of an operation on the DL

Sidekick Shadow Partner

Shadow Partner by OGKilluh13 September 9, 2013