Mindset Boomer Share definition Flag Someone who isn't old enough to be in the baby boomer generation, but still behaves like it. Have you heard Jerry? He complains that we're always on our phones.Yes, he's such a mindset boomer! Mindset Boomer by DeepFuxkingValue November 23, 2022 0 0 Get merch Get the Mindset Boomer mug. Buy Now — $32.95 See more merch