A slang or informal term used to refer to someone in a playful or light-hearted manner.

A whimsical or eccentric person.

एक अजीब या विचित्र व्यक्ति।

English Usage: "She's known as the billyo of the group, always having an unusual idea."

Hindi Usage: "वह समूह की बिल्लीओ के रूप में जानी जाती है, हमेशा एक अनजानी विचार लेकर आती है।"