dry up

Short definition from Wiktionary

Verb

1. 1
   To become dry (often of weather); to lose water.
2. 2
   To cause to become dry.
3. 3
   To manually dry dishes and utensils.
4. 4
   To deprive someone of (something vital).
5. 5
   To gradually decrease and eventually cease.
6. 6
   To stop talking because one has forgotten what one was going to say.
7. 7
   To stop talking because one has forgotten what one was going to say: To forget one's lines.
8. 8
   To stop talking or drop a topic.