The term 'REALLY STINKS' can be broken down into three crossword solutions: REEKS (5 letters), BITES (5 letters), and BLOWS (5 letters). The term 'REEKS' is used to describe a strong, unpleasant smell. 'BITES' is often used to describe something that is harsh or unpleasant to the taste. Lastly, 'BLOWS' is used to describe something that is of poor quality or not up to standard. All three words together can be used to describe something that is really bad or unpleasant in some way.