Blub Blub Mother F*cker. Share definition Flag A common response used when your Mechari is compared to a fish. Annoying Cassian: Your character looks like a fish. Fishy Mechari: Blub Blub Mother F*cker. Blub Blub Mother F*cker. by TheOldJak January 15, 2016 0 0 Get merch Get the Blub Blub Mother F*cker. mug. Buy Now — $32.95 See more merch