Words said over pom-poms

• "De-fense! De-fense!"
• Rooting word
• "Go, team, go!"
• Pep-rally shout
• Kin of olé
• Cheer ending the first name of each of this puzzle's featured ladies
• Major London concert venue, initially
• Sound from a cheering crowd
• Bit of a cheer?

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
in cheers, 1870, a shortening of hurrah . Adjective rah-rah is attested from 1907, originally indicating college life generally, later enthusiastic cheerleading.