Top definition
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 March 28, 2018
Get a Uncle Mark mug for your fish Paul.
Aug 10 Word of the Day
Running for exercise and picking up trash you find along the way. It's good for the body, mind, soul, and environment! Started in Sweden but is making its way to the U. S.
It's nice out and the city is filthy. Let's go plogging!
by Another damn hippie. May 09, 2018
Get a Plogging mug for your coworker Julia.
2
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
Get a uncle Mark mug for your guy José.
3
when you give your partner a noogie as either you, they, or the both of you climax
I gave that girl an Uncle Mark last week
Bro I just Uncle Marked your mom
Get a Uncle Mark mug for your dog Georges.