377+ Share definition Flag To be 377+ To be an idiot who thinks they are l33t "Hahahahah d00d i 0wnz0red j00! I am 377+!!!!!1" "You're a f*ckwit" 377+ by Khellondros March 17, 2003 0 0 Get merch Get the 377+ mug. Buy Now — $32.95 See more merch