The term 'RATS!' is often used to express frustration or disappointment. It can also be used to describe someone who is untrustworthy or a traitor. The crossword solutions for this term include DANG (4 letters), NERTS (5 letters), CURSES (6 letters), DARN (4 letters), TRAITORS (8 letters), PFUI (4 letters), ALAS (4 letters), BAH (3 letters), CRUD (4 letters), DRAT (4 letters), DURN (4 letters), OHNO (4 letters), UHOH (4 letters), FINKS (5 letters), SHOOT (5 letters), DANGIT (6 letters), DARNIT (6 letters), OHCRUD (6 letters), OHDARN (6 letters), OHHECK (6 letters), OHHELL (6 letters), PHOOEY (6 letters), YDCMQA (6 letters), BLASTIT (7 letters), DOGGONE (7 letters), SQUEALS (7 letters), TATTLES (7 letters), SNITCHES (8 letters), STOOLIES (8 letters), TATTLERS (8 letters), DESERTERS (9 letters), DOGGONEIT (9 letters), SHIPDESERTERS (13 letters), DOUBLECROSSERS (14 letters), and PIEDPIPERSTRAIL (15 letters). These words are all related to the idea of betrayal, dishonesty, and untrustworthiness, which are all associated with the term 'RATS!'.