stfu.and.die Share definition Flag stfu and die. Typically used by elite hackers on the irc network. You were posting random shit to a channel, and were told to stfu.and.die. stfu.and.die by honey.nut.cheerio August 2, 2005 0 0 Get merch Get the stfu.and.die mug. Buy Now — $32.95 See more merch