Bitch Lasagna

"Bitch Lasagna" (stylized in all lowercase), originally named "T-Series Diss Track", is a song by Swedish YouTuber PewDiePie in collaboration with Dutch music producer Party in Backyard. The song satirizes Indian company and music label T-Series, as a response to predictions that T-Series would surpass PewDiePie in terms of subscriber count. The song was one of the first events in the PewDiePie vs T-Series competition, in which the two channels competed for the title of the most-subscribed YouTube channel.

The song was first released with an accompanying music video on 5 October 2018, and was renamed and re-released to music platforms on 6 November 2018. As of 2 November 2024, the song has accumulated over 323 million views on YouTube, making it the most-viewed video on PewDiePie's YouTube channel.