twitter mark Share definition Flag a person who goes crazy for no reason. ex: KROEOABSBSLEWOWJKSJSSJSJS YOU GUYS ARE SO SO SO CITE "MAAAUAIAOAPAPAPAPS I MISS YOUUUUUUUU SLAYYYY KWEEN" "Holy shit she is a Twitter mark." twitter mark by ErickRowan June 7, 2018 0 0 Get merch Get the twitter mark mug. Buy Now — $32.95 See more merch