
Like it’s going out of fashion
Hyperbolic Expression
This phrase exaggerates a high level of activity for dramatic effect.

She's buying clothes like it's going out of fashion.
Often Temporary
Used to imply the behavior is not sustainable long-term.

He's playing video games like it's going out of fashion.
Not Literal
Doesn't mean the activity will actually become unfashionable, but suggests urgency or frenzy.

They're using up their phone data like it's going out of fashion.
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