w00t Share definition Flag a celebratory term exemplifying happiness and excitement, or approval. 1) Man, I just cracked this DOD server! w00t! 2) That car is dope; its that woot, WOOT! w00t by JJWashington May 30, 2006 0 0 Get merch Get the w00t mug. Buy Now — $32.95 See more merch