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2. tl; dr
Too long, didn't read. Alternatively, "War and Peace".
My teacher wanted us to read "War and Peace", but I was all like "tl; dr".
1. tl; dr
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...
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