Top definition
A member of the Omicron Sigma Omicron fraternity, known for their outstanding commitment to academics, public service and dedication to the betterment of mankind.
Guy 1: Who is that tall, attractive person saving a panda bear in that tree, surrounded by those enamored looking women?
Guy 2: Some OZO.
by Hedgewater P. Burgle January 30, 2009
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