changed up

Verb

change up (third-person singular simple present changes up, present participle changing up, simple past and past participle changed up)

1. (intransitive) To throw a pitch at a much slower than expected speed.
   • He changed up on Wilson after three fastballs and struck him out.
2. (intransitive) To confuse someone by doing something unexpected or in an unexpected way.
   • I thought that we were going to study the project some more, but then he came back from the weekend and changed up, making it a top priority.
3. (informal, transitive) To vary.
   • change it up
4. To change to a higher gear in a vehicle.

   Synonyms:

   upshift