Criticism that is given via twitter.
@justinbieber your musics shit and you look like a twat.

@anon hey man dont give me so much twittercism :(
by taylortheory March 28, 2012
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What Twitterites do to Facebookers...
Mocking the status use of Facebook as opposed to Twitter
He twittercised her status on Facebook as being too mundane.

That is an obvious twittercism of Facebook.
by catahoula March 22, 2009
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1. Tweets that are critical of others.

2. Any evaluation, assessment, or criticism found on social media, especially Twitter.
There was some legit Twittercism about the play-calling at the end of the game.
by Erock187 September 28, 2020
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Twittercitis
~noun

painful, cramping and stiffness of the thumb joint caused by scrolling up for 3 minutes, every 5 minutes.
I can't scroll anymore, the Twittercitis is unbearable!

This Twittercidis in my thumbs is second only to the burcitis in my knees!

My doctor said my addiction to Twitter caused my Twitteritis.

If I didn't read so many tweets, I would not have had to scroll so much that I developed Twittercitis!
by Spunky Winkerbean October 06, 2018
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Being slammed, dumped on or otherwise criticized on Twitter for doing or saying something really, really dumb.
Roseanne Barr was severely Twittercized for making extremely rude and insensitive statements.
by gfith326 May 30, 2018
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