Top Definition
The disease that causes someone to be a constant asshole
My wife has assinosis!
by JPS66 February 14, 2007
The tingly feeling you get in your butt after sitting for a long time. Also know as your butt falling asleep
We gotta get out of this car for a bit. I have a bad case of Assinosis.
by Joonas4321 September 12, 2015

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