
Get a life
Slightly Rude
Often used to mock someone who lacks variety in their hobbies or interests.

You collect coins too? Dude, get a life.
Sarcasm Alert
Can be sarcastic, implying the person thinks their life is better or more exciting.

Wow, another puzzle finished? Get a life, my friend.
Not Literal
It doesn't mean to literally get a new life, but to seek new experiences.

Stop re-watching that series, go out and get a life.
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