snowrise Share definition Flag (n.) The act of delivering or receiving a bump (or line) of blow as you're waking up, or to wake up. OR both. Can be any time of the day. Thank god I awoke to a snowrise this morning, because you always finish the bag the nite before. snowrise by cjezioro October 23, 2010 0 0 Get merch Get the snowrise mug. Buy Now — $32.95 See more merch