I think it sounds as if the sayer feels superior to the person they are addressing. I admit to having thought it about people but don't think I would say it to them as it would offend although I might suggest things they could do which would give them a life.
Perhaps it applies also to the nit-pickers on GN? What do others think?
What are you reading at the moment?
What are you avoiding doing in this heat?
Farage claims Musk risks splitting Right vote in by-election


So to me being told to "get a life" was a good thing.
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