Rusty ass

If you rust someone, you half trust them. You usually trust the person but you are fully aware that they can be shady.
Wow, be careful around Tom, he's kind of a rusty ass...
by yunglilboo June 01, 2015
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RUSTY THICC ASS

IDK I WAS TOLD TO DEFINE RUSTY THICC ASS
by Animdoge October 15, 2017
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