noun- a boy or, most typically girl, clad in skin showing 'workout clothes' in hopes of getting play, giving boys boners, or trying to gain self-confidence by sacrificing dignity.
Boy 1- Damn! That girl has a fine ass booty.
Boy 2- Yeah I hope she goes on the treadmill and we'll see her jugs
Boy 1- I've never seen a Gym Slut with such big ones!
by Bootycall!4642 April 25, 2011
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Someone who goes to a different Gymnastics or Cheerleading team every year because they are never satisfied with where they are!

This name is typically brought on by mothers who think their child is the cheer or gymnastics god of the world and will then take that kid to multiple gyms until the mother finds the one where she can push people around the most!

This name can also be given to the kid who moves gyms often because the parent feels that their kid is "not progressing fast enough." and no coach will ever tell the parent, "sorry your child hasn't learned a handspring yet, it's really just because they are too fat and can't do a Cartwheel!

The title Gym Slut should really be given to the parent not the kid because usually in these cases it is not the kids fault!
Amber: I heard she went to Tigers Cheer last year and then washburn cheer the year before that!! I guess she used to be a gymnast at Grase Gymnastics too!!

Erin: That girl is Such a Gym Slut!
by TheCheeryCheer February 16, 2011
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The type of girl who shows up at gym at 9 am, fully decked out in the latest sports gear making sure her sports bra matches her phone case and sneakers, gum in her mouth, perfectly styled hair, face caked an perfectly contoured to give the illusion she has high cheek bones, looking like she's about to hit the clubs or shoot an porn scene. You'll find her pouting her Restylane enhanced lips in front of the mirror arching her back, sucking her stomach in to take selfies to post on instagram, # Great workout, last squat rep, booty werkday, trainerholic, no pain no gain, squat till you drop. Then, she'll treadmill it on 4 speed zero incline to take another selfie to post 'treadin it out as a cool down'. That's what Gym Selfie Sluts define as 'sweating it out at the gym'.
If you're still looking cute after a workout honey, then the only thing you trained are your finger muscles. Your a gym Selfie Slut.
by Kick Ass Gal December 8, 2017
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