Top Definition
1. noun. the worst kind of dirty, filth, or grime.

2. noun. cooties, but a hundred times worse. AIDS on steroids, but worse.

3. noun. a filthy person, likely to have horse aids...probably from having had sex with a horse that had aids.
1. There's no way that i'm using that public restroom, it disgusting, there's probably horse aids all over it.

2. Shit! Tony left horse aids on the phone, i'm not using it now.

3. See that sweaty guy over there with the greasy hair, dirty clothes, snots coming out of his nose, and filthy bare feet, eating a whopper and playing video games? His name is horse aids.
by xminusx June 11, 2008

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