A) "Too long; didn't view", meaning a video, meeting recording, or any video that is very lengthy, and whoever used the phrase didn't even view it for that reason.

B) Also used by as a term for annotated videos that provide chaptermarks within the video to show what's important in the video. YouTube is increasingly implementing this in their Google Indexing, There is even a software company going by the name tl;dv, which helps employees summarize their virtual meetings with chaptermarks.
Girl A: Did you watch that YouTube clip I shared with you last week?

Guy B: No, tl;dv.


Employee A: Since you couldn't attend that meeting, did you at least catch-up with the recording of the meeting?
Employee B: 'Hey sorry, tl;dv'
by Street_Poet June 3, 2020
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