Twitticiser 

someone who has a twitter account, yet believe themselves to be too boring to post regular updates while still managing to criticize everyone else on their lack of twitter activity.

Guy 1: you have twitter but never use it...what a waste of time!
Guy2: neither do you, so cut the shit and stop being a Twitticiser.
Guy 1: you make a valid point, i now see right from wrong.

Twitticiser by stewkerr April 13, 2011

twitticism 

An idiotic remark uttered by a twit who mistakenly believes he/she is being witty

Bill let loose with a string of twitticisms that proved he is a master of masturbatory thought, not an intellectual.

twitticism by deli-cut June 16, 2004

twitticism 

Criticism of another person or group through tweets, on Twitter.

When the liberal tweeted his opinion on the issue, the fire-breathing conservative responded with harsh and typo-filled twitticism.

twitticism by HE AIN'T GONNA EMAIL YOU March 30, 2011

twitticism 

A vacuous and yet allegedly witty status update.

‘I don’t follow his tweets – he writes nothing but twitticisms.’

twitticism by stipemeistercentral July 7, 2009

Twitticise 

To criticise on Twitter.

The guy's behavior was just so bad, I had to twitticise him.

Twitticise by Shapeless August 6, 2018

Twitticize

Using a Twitter account to criticize somebody or something.

Joe: I can't believe Edwin Twitticized my fantasy football team this week!

Twitticize by Virginia Ninja October 26, 2009