Rubbish Share definition Flag A word that means bullshit or bullcrap that only people in Great Britain uses. Dude: That's Rubbish!Dude 2: Bro, nobody uses that word in America. Rubbish by Acoolboy April 21, 2014 0 0 Get merch Get the Rubbish mug. Buy Now — $32.95 See more merch