2704 Share definition Flag It's a codeword for "having oral sex in a helicopter" which was invented by a Twitch streamer Vargskelethor. Man, I wish someone did a 2704 in a helicopter right now. 2704 by fecalfunnie January 29, 2023 0 0 Get merch Get the 2704 mug. Buy Now — $32.95 See more merch