The song you're referring to is most likely titled simply "Aag" (Fire) by Nazia Hassan, though it's also sometimes called "Aag De De Aag Lele."

Released in 1984, "Aag" is a lively and energetic pop song by the Pakistani singer Nazia Hassan, possibly featuring her brother Zoheb Hassan as well. Biddu composed the music, known for his contributions to Bollywood and Pakistani pop music.

While the exact meaning of the lyrics may be up for interpretation, it likely isn't a literal reference to fire. "Aag" can also represent passion, intensity, or a burning desire. Considering Nazia Hassan's youthful and upbeat style, the song might be about the thrill and excitement of love or a budding romance.

You can find "Aag" on platforms like YouTube or music streaming services by searching for "Aag Nazia Hassan." The song might also be accompanied by a visually interesting music video featuring fire imagery.