Definition of "twitter" []

• To utter a succession of light chirping or tremulous sounds; chirrup. (verb-intransitive)
• To speak rapidly and in a tremulous manner: twittering over office gossip. (verb-intransitive)
• To giggle nervously; titter. (verb-intransitive)
• To tremble with nervous agitation or excitement. (verb-intransitive)
• To utter or say with a twitter: twittered a greeting. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "BTW, I offered my services today to @twitter @EV @Biz today on twitter – no reply."
• "If you didn't yet stumble across the functionality, although we don't have any in-application functionality that let's you set where photos should go, you can just use keywords … e.g. add @twitter as a keyword on that photo to send it only to twitter (make sure you've got a 'shortcut tag' specified in the settings for your twitter pipe, and you'd probably want to disable 'send by default' so photos are only sent if you add the keyword)"
• "Follow me on twitter @twitter.com/1jasminenicole See you there:) Check it out ..."