a noun which means someone who is very chill all the time but will explode when necessary. somone who is willing to drive you anywhere as long as he can get something out of it in the long run. a melks can also get very angry if he does not get invited to go out with everyone for a cheesesteak.
He was being a melks when he wouldnt give us a ride because it had no benifit for him.
by Gingerbread Man June 07, 2006