What's the meaning of "get a life"?

[Infin1ty]

Hi there,

"If you are affiliated in any way with Microsoft Network, get a life."

Could anyone please tell me what "get a life" means in the above sentence? Many thanks. :)
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Please feel free to correct me if you find any mistakes in my posts.

[Alan]

Hi Infin,

This is usually a sarcastic expression said to someone who appears to be wasting their time doing useless things. Let's say you meet someone who spends their life collecting bus tickets and never goes out. You could be tempted to say to this person: Get a life! This suggests that they should do something more useful with their life.

Alan
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English as a Second Language
You can read my ESL story Present Simple

[Infin1ty]

Thank you very much, Alan.
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Please feel free to correct me if you find any mistakes in my posts.

[SkiIucK]

This expression is most often used against people who spend their spare time playing computer games, always.

[Infin1ty]

Thanks SkiIuck. It's nice to see you again.
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Please feel free to correct me if you find any mistakes in my posts.