Swinging A Cat In A Gymnasium Edit Meaning

1.

Metephor for having sex with a female that is very "loose". The extra vaginal space can be compared to swinging a cat by it's tail in a large room, such as a gymnasium.

Jim: "Yo, I heard you've been banging Samantha. She good in bed?"

Joe: "Dude, that chick's been around. Banging her is like swinging a cat in a gymnasium."

See throwing a hotdog down a hallway, loose, banging, fucking