The term 'chug' can refer to two different crossword solutions. The first is 'TOSS, ' which is a four-letter word meaning to throw something away or to discard it. The second is 'tossdown, ' which is an eight-letter word meaning to throw something DOWN forcefully. Both words are related to the idea of throwing something away, but the difference between them is that 'TOSS' implies a more gentle action while 'tossdown' implies a more forceful action.