The term 'BIG BLOWOUT' can be broken down into five crossword solutions: BLAST (5 letters), BASH (4 letters), GALA (4 letters), FETE (4 letters), and NTEST (5 letters). BLAST is a verb meaning to make a loud, explosive noise. BASH is also a verb, meaning to hit something hard. GALA is a noun referring to a festive celebration or party. FETE is another noun, meaning a large, elaborate party. Finally, NTEST is a verb meaning to challenge or test someone. Together, these words suggest a large, noisy, and challenging celebration.