What does the latest internet term flip mean?

There is a saying that the tortoise turned over. That is, the tortoise turns over. If you turn the tortoise over, it will feel uncomfortable and struggle from the perspective. If it turns over, it will face the ground and it will be very comfortable. In fact, this sentence is a derogatory term, but it is rarely used.

words explanation

rebuild

spell

A lid that can be turned over.

The source of The Journey to the West's forty-ninth session: "Because I realized my roots and cultivated my aura, I practiced here, and my ancestral home was turned upside down and became the first among the giants."

Yesterday, my mother bought me a flip phone.