size down
verb1
To wear a smaller size of clothing.
- If your shirt is baggy, you can size down .
2
Dated To consider thoroughly so as to form an opinion of; to size up.
- "So I sized you down, and I'm bound to say that you came well out of it."1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC: