Dagnabit is an expression of frustration or surprise, usually used when something goes wrong. The two crossword solutions for the term Dagnabit are DRAT and RATS. DRAT is an exclamation of annoyance or frustration, while RATS is an expression of disappointment or regret. Both words are often used in similar contexts, but DRAT is more commonly used to express frustration, while RATS is more commonly used to express disappointment.