What jokes can be used to describe excessive phlegm?

One day, the eldest brother and the second brother went to the theater to see the play, and saw them arguing about the development of the plot on the way, so they made a bet. The boss pointed to a row of spittoons in front of him and said, "The loser should take a sip of what's there." Unfortunately, the boss lost and took a sip with a frown. The two went on to bet on the next plot. This time, the second child lost. I saw the second child pick up the spittoon and swallow fifteen mouthfuls in one gulp. Surprised and envious, the boss said to the second child, "You are so amazing that you can even drink fifteen mouthfuls!" " "The second one shook his head." No, I want to drink. The sputum in that spittoon is too thick. I really can't stop biting. "