15 definitions by Cassandra Q
Basically the opposite of a chimo. A teenager or someone in their early twenties that can not get enough of middle-aged or older men.
Cassandra: Dude, Shane is sooo hot. With a million o's.
Amber: Dude, he's like 34...
Cassandra: Do you think I care?
Amber: Dude, you're the biggest oldmo I know.
Amber: Dude, he's like 34...
Cassandra: Do you think I care?
Amber: Dude, you're the biggest oldmo I know.
by Cassandra Q February 26, 2010
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