The term “bestie” but the letter I is removed and a u is added. Usually used to annoy your best friend.
You: “what’s up beetus
Friend:” shut the hell up
by Rainacloud January 13, 2023
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(noun) synonym for extra large, extra salty, extra greasy, bag of potato chips
Mary: Henry watch ur diabeetus!
Henry: I wanna eat mah bag o' beetus!
*munch, munch, munch*
by TheWhiteBowser February 17, 2017
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1. The result of having anal sex with a diabetic who's forgotten to take their insulin.

2. When you fuck a diabetic in the ass so hard that they slip into a diabetic coma.
A: Dude, I was fooling around with Sandy last night, and well .... rump-beetus.

B: Woah, I didn't know she was diabetic!
by ErantyInt June 6, 2012
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