Boomer bitch Share definition Flag A Baby Boomer being shitty toward a younger generation of people just because they're younger. Look at that Boomer Bitch judging us on our phones while she reads her Good Housekeeping. Boomer bitch by kcinkc May 30, 2018 0 0 Get merch Get the Boomer bitch mug. Buy Now — $32.95 See more merch