BIG WINNINGS can refer to two different crossword solutions: POTS (4 letters) and JACKPOTS (8 letters). POTS is an acronym for 'Piles of Tiny Sums, ' which is a phrase used to describe a large amount of money that is made up of many small amounts. JACKPOTS, on the other hand, is a term used to describe a large sum of money that is won in a lottery or gambling game. Both terms refer to a large amount of money that can be won in a single event.