beak it Share definition Flag An imperative, to call one or more persons to silence, especially when said person/s are generally just talking shit. Popular in the north of England. "Look mate, I know you have a valid opinion, but just beak it, will you?" beak it by XaneiFoxx December 11, 2015 0 0 Get merch Get the beak it mug. Buy Now — $32.95 See more merch