Praise, exclamation, delight, etc.
(mad good)This sandwich is maaaad goood!
(mad good)How did you do that skateboarding trick? It was maaaaaad goood!
To be a serious player--to have it really going on--for someone who is really connected--who can really get things done.
Oh yeah, that dude's got mad game
When the arch of your foot cramps up causing excruciating pain.
Owwwww, my foot's cramping up!!! I got the MAD COW!
When something is real messed up. Also, when something goes wrong and people laugh that would also be mad grimey. And when something isn't right. Also, when sumptin is not supposed to be funny but is.
A Kid Throws up in Class and everyone laughs; that's mad grimey.
1)Extremely rediculous, or large
2)Very crappy.
1) Yeah brosef I want to get so fuckin' stoned tonight, roll me up a mad dookie blunt son.
2) Ahhh son your girl cheated on you? That shit is mad dookie bro.
An individual that pushes boundaries and takes significant risk can be described as a mad cunt.
Wow, he just did a backflip over a car, he's a mad cunt.