Get bent

What is the meaning of the phrase "get bent"?

"Get bent! -- I despise you!" From "Flappers 2 Rappers: American Youth Slang" by Tom Dalzell (Merriam-Webster Inc., Springfield, Mass., 1996).

That's kind of weak, isn't it. "Get bent" means go get a penile injury. Doesn't it fellows?

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