CHICKEN Share definition Flag CHICKEN is a random word used by teenage mutant ninja girls if they're in a good mood, if they're not, watch the hell out! "CHICKEN!!!!", "hahaha, you're a chicken", when in trouble, "...chicken?" CHICKEN by LexLithium February 22, 2009 0 0 Get merch Get the CHICKEN mug. Buy Now — $32.95 See more merch