What is the ultimate betrayal?

When you dog drinks your Shirley temple as you go to get him/her a treat from the kitchen.

I can't Believe Aspen drank my Shirley temple as I was going to get him a Beggin Strip, that's the Ultimate Betrayal!

the ultimate betrayal - video

When a guy hits himself in the nuts by accident/ball taps himself.

I dropped my phone the other day and when I went to catch it I committed the ultimate betrayal.