Definition of "rah"

Not so very long ago, a row of docile cheerleaders would say, “rah, rah, rah, sis-boombah”—maybe a leg would kick up into the air, perhaps a jump under the cheerleader's own power.

2011, Kern Alexander, M. David Alexander, American Public School Law, page 668

I didn't need to make a mental note not to follow their advice: like every other pretentious foreigner from the gap year rahs to the retired yoga addicts, I had no intention of stepping into a shopping centre. I was going to discover the real India.

2012, Helen Pidd, Letter from India: it's no easy matter being a woman looking for a decent drink in Delhi: The Guardian‎

The June 2020 protest at which the Bristol slave-trader and philanthropist’s statue was brought down was a BLM protest. But none of the defendants were black. Rather, as you can tell from their names (including Milo Ponsford and Sage Willoughby) they were almost comically typical of a certain rah, right-on Bristol type.

2021 December 9, “Boris Johnson has utterly failed to back up his anti-woke rhetoric with action”, in The Sunday Telegraph

He’s like, “Shut up, man. Whatever man. Skip, man, was a shot.” And I’m like, “Rah, this is a bit of a weird reaction?”

2019 June 6, Skepta, quoted in “Skepta opens up about becoming a father and enduring two heartbreaking miscarriages” by Narjas Zatat, Metro

Target bought[sic] the tape round, I listened to it and I was like, ‘Rah, this is sick, this kid is so sick’.

2016, Wiley, quoted in This Is Grime by Hattie Collins and Olivia Rose, Hachette UK, page 145

I was daydreaming, smoking weed out the curtain / Looking at my baby like rah, I'm just a burden

2016, Big Narstie (lyrics), “Fire In The Booth (Part 3)”, performed by Big Narstie on BBC Radio 1Xtra