Breastapo noun[plural only]1 •(slang, disapproving) Overzealous lactivists who pressure women to breastfeed and criticize formula-feeders, taken as a group.In that vulnerable post-natal daze, brainwashed by the NCT and other hard-line members of the Breastapo, I almost believed it was better to starve my son than pollute him with formula. — 2011
