roling potato Share definition Flag when a unicorn walks up to your door, and waits for you to come out. Then it chucks a refrigerator at you so it rolls. when i went outside in the morning to get the newspaper i got a roling potato. roling potato by natebug01 March 2, 2014 0 0 Get merch Get the roling potato mug. Buy Now — $32.95 See more merch