Oh Sheit It's X

"Oh Sheit It's X" is a song by American singer-songwriter Thundercat. He co-wrote it with record producers Flying Lotus, Mono/Poly, and Durand Furbee for his second studio album Apocalypse. Brainfeeder released it as a single on May 7, 2013. Musically, "Oh Sheit It's X" is a funk and disco song, whose lyrics describe the protagonist in an altered state of consciousness after consuming methylenedioxymethamphetamine—otherwise known as "ecstasy" or "X"—at a party.

"Oh Sheit It's X" was co-produced by Mono/Poly and Lotus, and upon its release, it received critical acclaim by music critics, who selected it as a highlight from Apocalypse and praised its lyrics, bassline, and production. The song was included in the video game Grand Theft Auto V and Thundercat performed it live at the Black Cab Sessions.