Mad-Ass 

A nickname for someone who farts like mad. A serial farter.

Not me! I'm a mad-ass

Mad-Ass by Mad-Ass-moody4 March 1, 2011

mad ass 

An incredible amount of something

I got a mad ass refund this year!

mad ass by listen-to-da-b August 17, 2003

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.

Mad Ass-Hatter by BADDYBIDDY February 24, 2019

Mad ass cracker 

A mad cracker. Aka. M.A.C..

Mad ass cracker is defined by me

Mad ass cracker by B.Hunt May 1, 2021

ass mad 

as - (mad), Angry, Pissed, Irritated. Similar to 'butt hurt', only more so.

When Steve found out that I used his toothbrush, he got all ass mad.

All the traffic made me really ass mad this morning.

ass mad by DJ Raizer August 19, 2011

Madass 

Similar to badass a crazy person with no brain who be lit

Yo she be madass

Madass by Imafailure August 16, 2019

madass 

A word you use instead of the word badass, when you think something is enormously cool
It can also be used in situations thats are dare or evil.

(For make it even cooler , place the word "fucking" before the using phrase)

Damn marer! That skateboard trick was fucking madass!!

or

Person A: Lets rob Bill Gates parking meter
Person B: No fucking way! he´s FBI-SWAT team would kill us, it would have been really madass though.

madass by Marer November 16, 2007