Mad Ass-Hatter

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.

Are you mad?

UK: informal

Are you crazy, commonly used in a semisarcastic way

Are you mad? mate Nobody has ever actually hit a hole in one from half a mile

Are you mad?

Are you mad means are you stupid or dumb
You have to pronounce the "mad" like "maad"

A: I like Manchester United

B: Are you mad?

Cube-Madness

when you've been playing with a Rubik's cube for so long that it starts to look weird, such as, the squares are looking more like a rhombus.

It's hard to solve the cube now, because of cube-madness.

Mad Tear

A Mad Tear refers to boning anything and everything that will hold still long enough. often referred to as going on a mad tear or he is on a mad tear

I went on a mad tear last week and now it burns when I pee.

mad high

being high, frustrated or irritated at the same time while smoking

i was in my room gang and i was mad high foo.

mad tom

usually combined with "hangover" to describe "the dorm drunk"

esp. used in ARMSTRONG

Cabin of Mad Tom Hangover is inhibited by Deana