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Mad Ass-Hatter is that one guy /girl who is absolutely batshit crazy and also an asshat/jackass.
Usually reserved for exes, enemies, or frenemies.

Can be used as an action word as well to describe weird situations/drama.
Example 1:

Person A: Dude, Jack is such a mad ass-hatter.
Person B: I know right? Can’t believe I dated that fucking psychopath.

Example 2:

Person A: Yo, did you just see what she did to George?
Person B: Yeah, that was some weird mad ass-hattery, my guy.
by DRIEW February 24, 2019
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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
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