(Noun) - A place, usually figuratively (unless you are a rapist), where people go to get destroyed at any activity, whether it be sports, or an argument.
(Noun) - You will enter the rape cage when we fight, mother fucker.
Defendant: I don't want to go the rape cage.
Judge: You should have thought of that before buying a quarter ounce of marijuana.
"Damn bitch you're too fat for my rape cage"
"I'm sorry but this isn't the correct sized rape cage i was hoping for"