"Pee Loon" is a soul-stirring and romantic song from the Bollywood movie "Once Upon a Time in Mumbaai." This melodious track is a heartfelt expression of love and passion. Sung by Mohit Chauhan and composed by Pritam, the song's lyrics convey deep emotions and longing. "Pee Loon" beautifully captures the essence of a love story set against the backdrop of the Mumbai underworld of the 1970s. With its evocative lyrics, haunting melody, and Mohit Chauhan's soulful rendition, the song has become a favorite among fans of Hindi cinema, leaving a lasting impact on those who listen to it.