What does it mean "to turn into a pumpkin"?
Native speaker’s answer
Rebecca
"to turn into a pumpkin" means to have to return home or go to bed due to the late hour of the night. It is also used when saying what time you usually go home or go to bed at night. The phrase is a reference to the story of Cinderella, whose magic carriage turned into a pumpkin at midnight ex1. We'll turn into a pumpkin, if we don't leave now. ex2. My daughter turns into a pumpkin at 10:00.