1. Plural of charlie; the letter C in the NATO phonetic alphabet.
Usage: military/aviation; often used in radio communication
2. Plural of charlie; informal British term for a foolish or silly person.
Usage: informal; British

Examples

• The pilot confirmed the coordinates using Charlie as the reference point.
• In radio communication, Charlie stands for the letter C.
• He made a right charlie of himself at the party.
• Don't be such a charlie—that was an obvious mistake.
• The military personnel spelled out the code: Alpha, Bravo, Charlie, Delta.