Définitions
1.PhraseInitialism of too long; didn't read (or sometimes too long; don't read).
Used to indicate that one did not read a (long) text.
Used to introduce a short summary of an overly long text.
2.PhraseUsed to indicate that one did not read a (long) text.
3.PhraseUsed to introduce a short summary of an overly long text.
4.NounA summary; the gist, the long and short."I know that was quite a long ramble, but the TL;DR is that I got fired."
5.VerbTo provide a short summary of (a text, an event, etc.); to summarize.
6.VerbTo provide a short summary of a text, an event, etc.; to summarize.