BCO
Big crush on
Example
I think she has a BCO you.
When you say hi to your crush
BCO
BCO definition by Slang.net
This page explains what the acronym "BCO" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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An acronym that means someone has a crush on another person; may be followed by the initial of the person, e.g. "BCOM" may mean a "Big crush on Mike."