TLDR

or tldr, TL;DR, tl;dr

too long; didn’t read: used in response to an online post, text message, article, etc., that is thought to be too lengthy, and usually taken as a rude comment, or used by the writer before a summary of lengthy text.

Origin of TLDR

First recorded in 2000–05; from its use in digital communications

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tldr

Contemporary Examples of tldr

TLDR: Biden wins, Ryan average, VP debates don't matter unless it's a blowout.
Vice Presidential Debate Live Blog
Justin Green
October 11, 2012
The nifty part of tldr is that it eliminates the need for costly moderators.
Most Comments Are Horrible—Sites Look for Ways to Make Them Better
Jesse Singal
July 16, 2012