Yes, tl;dr (too long; didn't read) was originally used on the somethingawful forums as a dismissive reply to a long wall of text post. Eventually, an OP would p

Yes, tl;dr (too long; didn't read) was originally used on the somethingawful forums as a dismissive reply to a long wall of text post. Eventually, an OP would preemptively include a TL;DR line in a post to give a warning/summary. http://www.quora.com/TL-DR/What-is-the-origin-of-TL-DR http://www.quora.com/TL-DR/What-is-the-origin-of-TL-DR seems to offer a decent history of its early usage.