Agrogator

Being overly angry, hostile, or standoffish. One's aggravation is similar to that of a alligator. This results in one's agitated nature to be too overwhelming for others.

person 1: "Hi."
person 2: "Hi YOUR FACE!"
person 1: "Whoa, hella agro."
person 2: "Your FACE IS AGRO AND YOU SMELL LIKE CABBAGE!"
person 1: "You're a agrogator!"