When an individual drinks too much Monster Energy Drink rendering him/her to a state of heightened energy. Typically signs include the shakes, premonitions, or jokes that when retold are followed up with, "well you had to be there."
I have had five monsters - I'm getting the Monsties!
A buddy who tends to go to the junction to stoop with the buddies. Rhombus.
buddy 1: yo, rhombus?
buddy 2: what up, monsty?
buddy 1: I don’t know man you’re just the junction monsty.
buddy 2: thanks man