Born in Cambodia in 1977, Bun Hay Mean and his family fled the communist Khmer Rouge regime and settled in France. As a teenager, he wrote sketches and performed stand-up comedy in small cafés in Bordeaux. He also enrolled in improvisation classes to further enhance his skills.
Bun Hay Mean moved to Paris and, while performing in clubs, began taking small roles in films and French television. He landed a role in an installment of the popular Asterix & Obelix film series in 2023. He was also invited to appear at the Montreux Laughter Festival for two consecutive years.
In July 2025, Bun Hay Mean dropped his phone down into a gutter while on the balcony at his apartment building. He fell eight stories to his death trying to retrieve it. Bun Hay Mean was 43.