sidekick 360 Share definition Flag a broken T-Mobile Sidekick whose screen, when flipped, turns a full 360 degrees "Yo, check it out, I just dropped my Sidekick 3 and now I've got a Sidekick 360!" sidekick 360 by notter87 October 19, 2008 0 0 Get merch Get the sidekick 360 mug. Buy Now — $32.95 See more merch