15
Short for "Too Long; Didn't Read"

Originally intended for when someone makes a point in an arguement/discussion and the intended target of the point cannot be bothered to read the lengthy comment. However, it has been overused and brutally raped of it's meaning due to people being incapable of responding with an intellectual/witty remark. Now most commonly means "Your arguement is so sound and accurate that I can find no flaw to point out. However I do not wish to look like an uneducated fool, and so I shall instead respond as if you are the ignorant one for posting an in depth comment of such length that it would imply too much effort to read." Ironically, a large number of people would be likely to comment TL;DR to this definition if given the opportunity, thereby showing that they fall into the category of people to whom this applies
Original intended use:
An individual, most likely a "nerd", posts a comment of excessive length on a subject, unnecessarily expanding on points rather than getting to the point, thereby deserving of the response
TL;DR

Recent most common usage:
A point is made in which the commenter backs up their claims with facts and evidence, only to receive the response
TL;DR
by Scouser1989 March 28, 2012
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16
The teacher wanted me to write my opinion of the book, so I wrote "tl;dr" and turned it in. For some reason I got an F.
by Anonymous938743 June 19, 2013
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17
This is shorthand for:

"Hey guys, look at me, I have nothing to contribute to the discussion, but I'll just let you know how ignorant and stupid I am."

Commonly used on internet forums.
Poster 1: *Tries to initiate a discussion*

Poster 2: tl;dr

Person 1: Hey, here's an idea - if you have nothing to say, don't post!
by Some Guy #999 July 30, 2008
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18
Too long, don't read

or

Too long, didn't read

A post, comment and/or reply that is (perhaps) gratuitously, (over)indulgently long.
.... and so A happened to B, and C got the bad end if it really, but it's not as simple as that...

tl; dr

(expounding of above point)

OR

...omg, sorry but, tl; dr! :) I *do* agree with what you said about Y being in front of Z, though...
by asianchickensalad October 27, 2011
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19
Too long: Didn't read

The bastian of the stupid and lazy. Only those of no intelligance would bother to use this, as if you are unable to read a post, then you should not bother even replying to begin with.
by JefferyofBanff May 16, 2005
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20
Too long; Didn't read

Typically used when text height exceeds it's width.
tl;dr... Go start a blog
by Dessinator December 16, 2010
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21
Literally: Too long; didn't read

Possible subtext: You make a very good point to which I have no sensible or comical response thefore I will claim it was too long for me to manage reading in order that I might still have the last word (or slightly confusing modern acronym)
"tl;dr"
by Alt Def February 26, 2015
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