Although you'll have some competition:
plus.inyourfacetwit.com, where you have 140 chars to berate anyone, and a whaling-wall for when you really need to get it off your chest.
Ad supported. Abusive ads berating potential users are encouraged.
Re:How I hacked Github again
by Intermernet on Saturday February 08, 2014 @11:09AM
(#7201518)
20 hours later, domain still not registered...
Get on that before someone filches it!
There's a clearly huge market.