Upend (verb)

1. To turn something upside down.
2. To overthrow or upset the established order of things.

Origin:

From the old english uphendan, which means "to lift up".

Examples:

1. He upended the box, pouring the contents onto the table.
2. The revolution upended the country's political system.
3. The wind upended the umbrella, leaving the woman drenched.
4. The company upended its business model in an effort to stay competitive.
5. The child upended the toy chest and began playing with the contents.