To violently attack and subdue a random human target, preferably female. Once the target has been beaten into submission, the aggressor then proceedes to engage the victim in anal sex, while playing the song "Danny Boy" on the bagpipes.
(Upon initiation of attack)"ANGRY EVAN!"
"You've just unleashed an Angry Evan"
(With an angry look, surveying random pedestrians) "I'm feeling pretty angry right now"