The art of communicating with someone by using random hand motions that are generally irrelevant to what you are actually trying to say.
Using signology in math class is a great way to tell your friend three desks behind you that a guy was walking down the street in Mexico.
by the "Sh" in KaSh November 05, 2006
Sign language is a part of signology.
by uttam maharjan January 26, 2013