2 definitions by ed pluribus unum

The nagging feeling that, no matter what, you're getting screwed over by the car rental company.
Eddy: There! I used my Air Miles, so instead of this car rental costing me $350, I'll only have to pay the tax.

Car rental gal: Okay, with the additional driver, booster sear, and taxes, that'll be... $351.

Eddy: I got a bad feeling about this... must be the rentanoia.
by ed pluribus unum August 20, 2010
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The little doubt in your mind that one day, a huge mutant spider will come after you and make you pay for all the spiders you have squished over the years. Manifests itself as a brief pang of guilt every time you swat an arachnid.
(*squish*) Hmmm... I have the bizarre notion that will come back to haunt me... must be the spider karma.
by ed pluribus unum June 19, 2011
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