Tudefjæs Share definition Flag Danish argot for cry-baby. 1. (Danish usage) Tudefjæs, hold kæft! 2. (English usage) She is such a tudefjæs. Tudefjæs by Jens December 4, 2004 0 0 Get merch Get the Tudefjæs mug. Buy Now — $32.95 See more merch