Refraining from tweeting. Finding that you have nothing to tweet or write. Drawing a blank when contemplating your Twitter page. Also used when one is stunned or surprised by something viewed on Twitter.
I'm tweetless after hearing that Aston Kutcher has stopped evangelizing Twitter.

With nothing to do but describe my latest latte buying excursion I suddenly found myself tweetless.

That boring Oprah was mercifully tweetless today.
by seacrest11 May 28, 2009
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When you can't sleep because you are trying to think of things to twitter the next day.
"Dude, you look tired..." "Yeah, I was up all night--tweetlessness..."
by FitzLovin' May 28, 2009
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A national holiday that occurs whenever President Donald Trump uses every last ounce of willpower to keep his tiny hands off his phone and abstain from tweeting for 24 hours.
John: The president hasn't tweeted for over a day now. I guess there's no fake news today.
Jill: Happy Tweetless Day!
by ThatPunnyPeep321 June 9, 2017
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