recherchez un mot, comme eiffel tower :
 
1.
Something worthy of being written about on Twitter. It may be good or bad - it applies to anything worth a tweet.
"I'm loving the sunshine today. This weather is totally tweetable."

"Dude, I had the most tweetable burger for lunch yesterday."

"My package from Japan should arrive tomorrow. It's gonna be so tweetable."
de Lewis! 17 août 2009
 
2.
Someone worthy of tweeting about because they are very interesting, funny, or cool. Someone tweetable is always quoted.
Joey Tang is very tweetable.
de trololcat 23 juin 2011