GOOFBALLS is a term used to describe someone who is silly or foolish. The crossword solutions for this term are GEESE (5 letters), YOYOS (5 letters), NUTS (4 letters), LOONS (5 letters), BOZOS (5 letters), and SILLIES (7 letters). GEESE are waterfowl known for their honking calls, yoyos are toys that can be spun around on a string, NUTS are a type of hard-shelled seed, LOONS are aquatic birds with distinctive calls, BOZOS are clowns often seen in circuses, and SILLIES are people who act in a foolish manner. All of these words are related to the term GOOFBALLS, as they all describe someone who is silly or foolish.