Top Definition
A term used in disgust when describing something you really don't want or had to do.

Butthay, I really liked the suppository they gave me just before the procedure!

Butthay, we didn't have to sit in the sewage that long!!!

by Jamfetto March 24, 2009
that fine blond hair found around the rectum. But hey, could be around the bifkin!
She's a neat freak, but sometimes misses a bit of butt hay when shaving.
by DrPerlJam April 29, 2009
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