

Subsequently, Perry continued to promote the track during BBC Radio 1's Big Weekend, the Glastonbury Festival 2017 and The Voice Australia. Promotion for the track began with a live debut of the track on Saturday Night Live, with a performance that went viral. Critics wrote mixed reviews of "Swish Swish" some praised the track's empowering environment and Minaj's verse, while others criticized the song's lyrics. Multiple media outlets suspected that the song is about American singer-songwriter Taylor Swift and her 2015 single " Bad Blood", which was believed to be about Perry.

The song uses basketball metaphors to address Perry's bullies and detractors.

"Swish Swish" is a house-inspired EDM and hip hop song that samples "I Get Deep" by Roland Clark. The song was initially released as a promotional single on May 19, 2017, and later as the album's third single. It was written by both artists along with Duke Dumont, Sarah Hudson, PJ "Promnite" Sledge and Brittany Hazzard, while being produced by Dumont, with additional production by Sledge and Noah "Mailbox" Passovoy and vocal production by Passovoy. " Swish Swish" is a song by American singer Katy Perry featuring rapper Nicki Minaj for Perry's fifth studio album, Witness (2017).
