Quiefen Share definition Flag In the game scrabble, a Quiefen is a word invented by a player adding two letters to a 5 letter word in order to score mad points. That's so not a word, I thought in the beginning of the game we agreed on no Quiefens Quiefen by moss420 June 16, 2011 0 0 Get merch Get the Quiefen mug. Buy Now — $32.95 See more merch