What is the meaning of Shut_up?

To close (a building) so that no one can enter.

To terminate (a business).

To put (someone or something) in a secure enclosed space, such as a room or container.

Of a person, to stop talking (usually in the form of making annoying, irrelevant, or false comments, during a period of peace and quiet, or when one is not allowed to talk) or arguing, or (of a person or thing) making noise.

To murder, kill.

Closed up or off, as in a building that no one is to enter.

Stop talking (usually in the form of making annoying, irrelevant, or false comments, during a period of peace and quiet, or when one is not allowed to talk), arguing, crying, etc.

I don't believe it!, no way!

Source: wiktionary.org