"Cosby Sweater" is a song by Australian hip hop group, Hilltop Hoods. It was released as the third single from the group's seventh studio album, Walking Under Stars (2014). In Australia, "Cosby Sweater" peaked at No. 4 on the Australian ARIA Singles Chart, becoming Hilltop Hoods' highest charting single to date and their third top ten hit overall. The song was rated number three in Triple J's Hottest 100 2014. The song's accompanying music video was released on 3 October 2014 via the Australian iTunes Store.

The track's distinctive riff heavily samples the Wimple Winch track "Save My Soul".

The "Cosby Sweater" is a reference to the colourful and unusual sweaters Bill Cosby used to wear on TV. Later, with the sexual assault allegations involving Cosby the group have since stated that they regret naming the song after him and commented “To be honest we regret name checking Bill Cosby. Like some of you we’ve only recently become aware of the allegations against him. If he’s guilty of those allegations he can go jump in a fkn lake. A deep icy lake.”.

The Cosby Sweater song also references Tom Cruise, Christina Aguilera, Bobby Fischer and the elevator fight between rapper Jay Z and Beyonce’s sister, Solange Knowles (“slap a rapper like Solange Knowles”).

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