Anal

(Verb) When two people mutually admire each other. It can be considered a difficult task as it is often partaken in by poeple that are very close and deeply care about each other.

Guy 1: I had some hard anal with my dad the other day.
Guys 2: That's super good, did you're brother join in?
Guy 1: No, last time he had anal with my dad it got really rough.