Wikipedia
"Dard-e-Disco" ( Hindi: दर्द-ए-डिस्को) was a hit Hindustani song from the 2007 Bollywood musical film, Om Shanti Om. The refrain, Dard-e-Disco (pain of the disco), though essentially meaningless, was modeled after Persian-derived terms traditionally used in song and poetry in the Indian subcontinent such as Dard-e-Dil (pain of the heart) and Dard-e-Muhabbat (pain of love). The song was attacked for being "meaningless", "insane", and "odd", but also called "red-hot", "addictive" and "contagious".
Dard e Disco's structure and lyrics are a blend of " old-school" Indian style with an "Arabic flavor". It was sung by Sukhwinder Singh, written by Javed Akhtar, composed by the Vishal-Shekhar duo and picturized on Shah Rukh Khan. The song was reportedly triggered by a conversation in which producer Gulshan Kumar said to choreographer Farah Khan that "only two types of songs sell - dard bhare gaane (songs of sadness) and disco", leading Farah Khan to demand a song that combined the two. Farah Khan later said that initial intent was to picturize the song on Shakira.
Dard e Disco rapidly rose in popularity, despite being ridiculed by many critics for including meaningless doggerel, and dominated radio station charts when it initially came out.