Top definition
adjective used to describe an extremely devoted fan of the young actor, Matt O'Leary
That girl is so O'Leary-ous one would think she was Matt O'Leary himself.
by Robin Dearest June 21, 2006
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2
meaning funny o'leary-ous as in hillarious
that joke woz o'leary-ous
by ihatebirdy January 28, 2008
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