When you cause an accident by staring at a shaply posterior but shift some of the blame on said posterior.
Dude you just hit that stop sign! Not all my fault...did you see that ass? There is some Equal Culobility going on here!
The highest arching rule in any friendship that allows complete equality or level of bitchiness to be matched by the the other friend/friends with impunity (if your friend is being a bitch you can be a bitch back)
Sarah was being such a bitch today so I told her to fuck off and she started yelling at me. Like have you never heard of The Rule of Bitch Equality?!