your mom's a pig Share definition Flag A phrase that came into existence on the 27/03/23 in a dorm in northern Belgium. It is meant to be an insult. Person 1: (snoring) your mom's a pig Person 2: (jumps out of bed) sexy pig your mom's a pig by npat March 30, 2023 0 0 Get merch Get the your mom's a pig mug. Buy Now — $32.95 See more merch