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An extremely hairy man who is sometimes mistaken as Sasquatch. He is often found with a half empty beer can in 1 hand and a lighter, which is never his own, in the other.
That crazy "Uncle Mark" is so hairy & appalling, it looks like he has a sweater on when he's really fukn topless
by Meowmeowrabbit May 17, 2018
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A math professor who has the odd delusion that he has any chance of winning me at backgammon!!
I rock at backgammon, i cant believe UNCLE MARK thinks he can win!
by you can just call me master! January 10, 2012
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