You'll really have them at a loss for words with this one! Cut out the following letters from magazine or newspaper headlines (or draw black letters on paper and cut them out,)
J N O O R S T U W
Place the letters in any order on the floor or table (or any flat surface), Ask the players to rearrange the letters to spell "just one word". If they give up, rearrange the letters to spell the three words, "Just One Word."