Low Roller Share definition Flag A gambling expert who is not extremely wealthy or showy; a casino regular who makes enough to know the manager and get by. I come in here and count cards once a week to pay the rent, nothing fancy, just a low roller. Low Roller by pinky2totters January 22, 2008 0 0 Get merch Get the Low Roller mug. Buy Now — $32.95 See more merch