mani-roll Share definition Flag To trick someone into watching Barry Manilow sing Rick Astley's "Never Gonna Give You Up" I tried to mani-roll my aunt Betty, but she loves Barry, so it wasn't much of a joke. mani-roll by oywidapoodles January 21, 2009 0 0 Get merch Get the mani-roll mug. Buy Now — $32.95 See more merch