"OK, boomer" doesn't really work that well as an insult anyway since it's easily flipped around as "OK zoomer". Both Wikipedia (https://en.wikipedia.org/wiki/Zo

"OK, boomer" doesn't really work that well as an insult anyway since it's easily flipped around as "OK zoomer". Both Wikipedia (https://en.wikipedia.org/wiki/Zoomer https://en.wikipedia.org/wiki/Zoomer under "Other uses") and the Urban Dictionary have an attestation of zoomer as a reference to Gen Z, so they'll know what it means.