stid/stido Share definition Flag stid: whack or disapointed. stido: a friend who has not chilled or called in awhile. Man, that's stid/stido, they closed shop early! Hey, what's up stid/stido!? stid/stido by Silent Bliss September 22, 2008 0 0 Get merch Get the stid/stido mug. Buy Now — $32.95 See more merch