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A message standing for "Rolling on floor laughing my dick off". Usually used in text messages or AOL Instant Messanger.
kid 1: i told a blonde to smell a scratch a sniff sticker on the bottom of a pool, and she did it.

Kid 2:holy shit is she OK?

Kid 1: no

Kid 2: haha. Roflmdo
by Big Bad Bryce June 23, 2008
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