Twitter, an online social networking service, is not an acronym, although many backronyms (back acronyms) have been made ending in “they enjoy reading.” “TWITTER = Thoughts Which I Think They Enjoy Reading…” was cited on Twitter on May 13, 2010.
 
“Things Which I Type That Everyone Reads” is another popular “Twitter” backronym.
 
     
Wikipedia: Twitter
Twitter (/ˈtwɪtər/) is an online social networking service that enables users to send and read short 140-character messages called “tweets”.
 
Registered users can read and post tweets, but unregistered users can only read them. Users access Twitter through the website interface, SMS, or mobile device app. Twitter Inc. is based in San Francisco and has more than 25 offices around the world.
 
Twitter
Alan Mr Donut :D
‏@DearAgony_
TWITTER = Thoughts Which I Think They Enjoy Reading…
10:08 AM - 13 May 2010
 
Twitter
Jana Pereira
‏@JanaAudioVideo
Yes and No hahahahahha #cool RT @Alankrit_LP: TWITTER = Thoughts Which I Think They Enjoy Reading…
10:10 AM - 13 May 2010
   
Twitter
Samuel Leal
‏@Samuel_Leal
Twitter = Thoughts Which I Think They Enjoy Reading http://www.techxav.com/2010/05/13/70-funny-abbreviations-for-technology/
8:32 PM - 17 May 2010
 
Twitter
LOL Acronyms
‏@lolacronyms
TWITTER = Thoughts Which I Think They Enjoy Reading
11:31 AM - 22 Jun 2010
   
Word in Silence (WS)
September 20, 2013
ACRONYMS – THE WORLD OF WORDS AND OUR REALITY.
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TWITTER = Things Which I Type That Everyone Reads , Thoughts Which I Think They Enjoy Reading