The term 'How about that!' is an expression of surprise or amazement. The crossword solutions for this phrase include GEE (3 letters), GOLLY (5 letters), GOSH (4 letters), SAY (3 letters), OHO (3 letters), TADA (4 letters), ILLBE (5 letters), GOFIGURE (8 letters), IDODECLARE (10 letters), and CANYOUBELIEVEIT (15 letters). These words are all exclamations of surprise, shock, or disbelief, and are often used to express amazement at something unexpected.