Hypothetical situation, what do you do?

[Rduke55]

Killing him is clearly the only option.
Then find the hottest chick in the room - wait, two chicks -and SIITPs because they will be so impressed by your machismo and how you defended your rep.

[MyTurn2Raise]

for some reason...I think it's you who are the ass and not the friend.

Put yourself in the friends' shoes. Would you sit there and let your buddy get beat down at a party?

[Amid Cent]

First graduate from the 9th grade, then ask this question again.