it means getting excessively upset about minor things on the internet.
Maybe it's just my keen eye for copy and my skills in interpretation, but I read that post of yours as light hearted, with the purpose to amuse and gently mock.

Apparently it was very aggressive, and a result of being on the receiving end of a major zing from the master of the 'witty post'.
(dozers, do fuck off ur a nob m8, Tue 30 Apr 2013, 18:44, 1 reply, 13 years ago)

God who gives a shit
I'm pretty sure aside from spotters I'm probably the least upset person on ot
( Naked Ape call me Caitlyn, Tue 30 Apr 2013, 18:47, Reply)

spotters?
Edit: sporters.
(dozers, do fuck off ur a nob m8, Tue 30 Apr 2013, 18:50, Reply)

Yeah him, he's like a big silly dog

( Naked Ape call me Caitlyn, Tue 30 Apr 2013, 18:54, Reply)

his kryptonite is mentioning his moribund career and how he's been passed over for promotion on several occasions and lacks any significant pay rises like at all

( Light In Chains maker of the ikea sofa, Tue 30 Apr 2013, 18:57, Reply)

don't say it was me who told you

( Light In Chains maker of the ikea sofa, Tue 30 Apr 2013, 19:01, Reply)

no-one will ever know.

(dozers, do fuck off ur a nob m8, Tue 30 Apr 2013, 19:03, Reply)