sex gym 

When your date or person of interest has two places of residence and uses the term to loosely describe the one residence which they share with a roomate who happens to be of the other sex.

I don't want to show you my apartment because it's a 24/7 operating sex gym.

sex gym by PAPMAC May 21, 2017

gym sex

The act of making continuous eye contact with a person at the gym and both persons simultaneously work harder until reaching a peak of workout intensity.

Me and this really hot trainer totally had gym sex this morning!

gym sex by Mocha Face October 4, 2010

gym sex

When you use your sweat from a workout as lube

Dude, I had some slimy moist gym sex with that girl.

gym sex by just a bro helping a bro June 15, 2016

Gym Sex

Named via a session of hardcore or intense intercourse where a lot of sweating and panting is involved.

I can’t wait to get home, you and I are gonna have gym sex!

Gym Sex by WilderEBranch September 7, 2020

Sex in Gymnastics 

You're in luck if you manage to have a female coach, she might say "follow me," and bring you to the storage room, were it's just you and her. It's a good thing to fuck a coach, because for what I know, they all are THICC.

My coach and I were having sex in Gymnastics.

Sex in Gymnastics by ftfuftf March 3, 2019