Irrationally angry to the point of threatening physical violence. Could stem from a variety of different situations, but is almost never pleasant.
The act of allowing oneself to become D-Mollo'd.
Jorge: Take that back or I'll punch you with every muscle in my body.
Rich: Whoa man it was a joke, no need to act D-Mollo'd.
Jessica: Yeah you just D-Mollo'd so hard.