Top definition. I'm down unknown.
When you agree with. Mainly used to agree to do.
Do you want to eat ramen at 4 in the morning? Hahaha I'm down means I'm in, I'm gameI'm up for it, I'm excited about doing that, I'm willing, I'm into pursuing that tonigyt.
It can also mean I am cool tonighht or understand a concept, or I am associated with a group of people. I'm about to go skate in an abandoned mall! You in?
I'm totally. Yeah, I'm down with.
They my crew, baby! To be cool.
Saying that you understand. Church mouse Buzzard The Screw The Alphabet People Captain Sparklez Krew Pigeon Crumbadat Ttonight Snooze Juicer PJM Bed bug