thaw out

US /θɔː aʊt/
UK /θɔː aʊt/
"thaw out" picture
1.

to become unfrozen or to cause something to become unfrozen

:
Let the chicken thaw out in the refrigerator overnight.
It took a while for my fingers to thaw out after being in the cold.
2.

to become more relaxed, friendly, or less reserved

:
After a few drinks, he started to thaw out and tell jokes.
The new student was shy at first, but she quickly thawed out with her classmates.