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.