to act stupid , wild , crazy. Basically going insane usually during dancing (crump dancing) in a positive way !!!
Misha: Go Zane, go Zane! Yo he's is killin' it right now!
Mika: Fa sho, he dummin' it with them moves.
8👍 2👎
to be messed up as hell on weed or alchohal
This gangsta is dummin
10👍 6👎
Noun- An insult used by individuals of severely underdeveloped intellect to make oneself feel adequate.
Person 1: What are you, Dummin?
Person 2: What does that even mean?
Person 1: I’m not sure, I couldn’t make it passed the fifth grade.