a condition in which you must use a pool float in order to sit down. Usually caused by hemorrhoids, but can also be contracted by anal sex. Particularly those cases not involving proper lubrication
1. Chris: "man my ass is killing me"
Brian: "sounds like you have a case of hemorrsaurass"

2. "I thought dinosaurs were extinct but i think the hemorrsaurass is back!!"
by Mikula November 22, 2007
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