Swanky Share definition Flag A word used to describe an extremely cool act done by a drumline/marching band member. Often relates to their technique or clothing. "Tyler's paradiddlediddles are so swanky." "I know. I want to be him." Swanky by STREETSIGNNETMEG November 27, 2017 0 0 Get merch Get the Swanky mug. Buy Now — $32.95 See more merch