TL-DR 

A very complicated acronym
Its definition is so long no one reads it

"Did you find out the definition of TL-DR?"
"Too long. Didn't read."

TL-DR by Michail Borisovič Rusakov August 1, 2019

tl/dr

Thought to have originated on TOTSE this is a common reply to a very long post. It means Too long/Didn't read.

Person 1: Here is my thought on the meaning of life...(Goes on for another 1000 words]

Person 2: tl/dr

tl/dr by Vickylala May 21, 2006

tl:dr 

Too long didn't read is normally used in reddit post after lengthy paragraphs

Reddit user 153: a huge paragraph blah blah blah blah blahblah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah blah

TL:DR *summarises the paragraph*

tl:dr by CurlyFries010 May 16, 2019

Tl: Dr 

Too long, Didn't read.

any over wordy thread or long drawn out story that people don't want to really read, but reply to any way.

Tl: Dr by D. ESPI March 12, 2003

TL DR 

Means 'Too long didn't read'

The paragraph was TL DR

TL DR by sandwich_eater1000 January 13, 2019

Hipster (TL:DR version) 

1.) A person who tries too hard to not try hard, and will willfully disdain that which is popular not because of it's inherent good or bad, but simply because a good number of people like said subject.

"Adventure Time is some adult kid shit, fuck off with it. BTW, check out my photos I took with my vintage Nikon." -Hipster (TL:DR version)

Hipster (TL:DR version) by Labialikeamantaray March 8, 2014

TL:DRetard 

A person who replies in a forum, when their point had already been refuted in the first, or previous posts. This happens because the person did not read, and responded blindly making themselves look like an idiot.

Hence the "TL:DR" in the name.

Person 1: *long, thought out, intelligent forum post*

Person 2: That is a bad idea, because of ____

Person 1: I already explained why that doesn't matter. Ugh, i bet you didn't even make it past the first paragraph you TL:DRetard

TL:DRetard by Sarteka November 22, 2010