dry up

verb

To become dry (often of weather); to lose water.
“I'll go shopping when it dries up.”
“Last summer the lake completely dried up.”
To cause to become dry.
“The heatwave dried up all the rivers.”
To manually dry dishes and utensils.
“I'll dry up if you wash up.”
To deprive someone of (something vital).
“The bankruptcy rumor dried up his sales.”
To gradually decrease and eventually cease.
“When our money dried up, we had to get proper jobs.”
“After the stock market crash, the easy financing dried up.”
To stop talking because one has forgotten what one was going to say.
“This surprised me so much that I dried up for a moment.”
““Well, Atticus, I was just sayin‘ to Mr. Cunningham that entailments are bad an’ all that, but you said not to worry, it takes a long time sometimes… that you all’d ride it out together…” I was slowly drying up, wondering what idiocy I had committed.”
To stop talking because one has forgotten what one was going to say.
To stop talking or drop a topic.
“Oh, dry up, you old fuddy-duddy!”
“"Oh, dry up,' said Arnold morosely.”