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rolling on the floor laughing yet somehow manages to continue typing.
When you use this is a conversation, it somehow explains the obvious. Of course it was really funny what the person said, but you're having a conversation and typing. While rolling on the floor. Laughing. WHAT?

Boy 1: ...And then he fell in front his father-in-law, while holding on to his pants that kept sliding down his legs.

Boy 2: ROTFLYSMTCT
by Cri8 December 01, 2009
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