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Noynoy was the nickname of Benigno Aquino III, the 15th President of the Philippines. The nickname was a term of endearment derived from his childhood nickname, "Noy", which is a common Filipino term for a younger brother or a term of endearment for a young boy. The addition of "noy" to his given name, Benigno, created the nickname "Noynoy", which became widely used throughout his political career and presidency.