1. A fellatio involving various males whom are typically friends of each other.
2. An oral sex party where the participants are closely related socially
Ken: What did you guys do during Beach Week2009 Jon, Mike, Matt: We performed a fellatibro!
Ken: Uh....
Tim and his buddies in college thought a guy was whackin' it a lot. They then set up a video camera in his dorm room and discovered that not only was he a chronic masturbator, he also participated in auto-fellaciatic digestion.
A word that no one would ever use to refer to a blowjob, and if people do they will most likely not receive one. But society today has to have a "proper word for everything because something like "blow job" is too vulgar.