Internet culture
CSL
“Can't stop laughing”: shorthand for finding something very funny.
In everyday use
“The outtake at the end. CSL.”
What to keep in mind
An informal reaction, not a feature exclusive to Instagram.
Also searched as: can't stop laughing
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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