1 definition by Kieran P

cataclysmically big ovaries.

Used to describe a real girly girl. Associated with excessive femininity.
Steve: Dude, check out that girl over there!
Kieran: Man, who does she think she is, Princess Barbie.
Steve: She definately has cbo.
Kieran: No doubt
by Kieran P May 26, 2006
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