BLOWS IT is a phrase used to describe someone who makes a mistake or fails to do something correctly. The crossword solutions for this phrase are ERRS (4 letters), LOSES (5 letters), and SLIPSUP (7 letters). ERRS means to make a mistake, LOSES means to fail to keep or retain something, and SLIPSUP means to make a mistake or fail to do something correctly. All three words can be used to describe someone who BLOWS IT.