While there are some obvious perks to hitting the gym (like it’s good for your health), it can also be a hot-bed for gross behavior. People regularly don’t wipe off equipment after they use it and you’ve probably walked into a fart cloud by the free weights more than once.

Of course, when you encounter nastiness at the gym, you’ve got to tell everyone you run into. And that’s exactly what some people have done on Reddit. Here are the best (a.k.a. worst) grody things people have spotted at the gym and shared online.

“I kid you not, I saw an elderly man attempt to clean his sweat off the equipment he was using by spitting onto the seat and then wiping it around with a paper towel... disgusting.” ti_n89

Related: This Piece of Gym Equipment Has 362 Times More Bacteria Than a Toilet Seat

“My old gym in Austin had dead cockroaches...ALL OVER the floor. Resting between sets on the bench, I remember counting 10 dead cockroaches in front of me. And the employees would take several days to clean them. One day I put sticky notes next to each dead cockroach that said ‘this is disgusting’ and from then on the employees would get rid of them.” —wetterdew

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“A dude rubbing his shoulder blade onto a concrete wall while talking to his friend. Then it was revealed that he was trying to use the wall to pop the zits on his back.” —rogue_penguin

Related: Watch This Woman Pop Her Husband's Giant 4-Year-Old Pimple

“I saw a guy yak after doing some super-heavy squats...all over the mirror in front of him.” —P1aybass

Don't want to go to the gym after reading this? Luckily, you don't need a lot of equipment—or any at all—to get fit. Check out these 19 bodyweight exercises:

preview for 19 Bodyweight Exercises

“Used tampon blocking the shower.” —Indydegrees2

“Walked in on a couple doing yoga in the buff in the private rooms...Not sure why they decided to do this since the doors don't lock.” —Gingervitice

Related: This Is Why So Many Women Are Posting Naked Yoga Photos On Instagram Right Now

“Bodybuilder type was setting up for an incline [dumbbell] press, and hacked something up and spat it a good six feet through the air onto a mirror. I was simultaneously impressed and disgusted...” —OddGambit

Related: This UFC Fighter Had The Best Reaction To Pooping Her Pants In The Middle Of A Match

“Walked into the bathroom and there was puke in the sink. Went into a stall and there was puke in the toilet. Wtf people.” —blonderson

Luckily, most gyms do what they can to keep things clean. Still…ick.

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Korin Miller
Korin Miller is a freelance writer specializing in general wellness, sexual health and relationships, and lifestyle trends, with work appearing in Men’s Health, Women’s Health, Self, Glamour, and more. She has a master’s degree from American University, lives by the beach, and hopes to own a teacup pig and taco truck one day.