A noxious idea or act that everyone agrees with, but that no one has the guts to openly agreeing with.
Those frat boys were unonymously racist and biggoted.
by AZo August 18, 2005
A state in which everyone present has a shared opinion on a subject, but nobody openly admits it.
After an awkward silence, it was obvious that the chums had come to a unonymous decision regarding what to do with the corpse.
by Tom Rolfe October 16, 2007