Fuckberries Share definition Flag Interjection. Commonly used when something bad is about to happen or someone has to do a humiliating task. - Dude, it's your turn to scrub the toilets! -Awwww, Fuckberries Fuckberries by POOPY MAN September 8, 2003 0 0 Get merch Get the Fuckberries mug. Buy Now — $32.95 See more merch