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A couple who insist on having long sappy conversations on twitter to the annoyance of all who follow them
Jonh: I love you Heather! <3
Heather: I love you more John! <3
Me: Freaking Tweethearts, Will you just get a damn MSN convo already.
by Dr Simon Love February 16, 2010
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1. A person who is much loved in Twitter
2. A sweetie or any well-liked individual in Twitter
She is the tweetheart of my life.
by timlight January 29, 2010
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"Twitter sweetheart" which is a step down from "Craigslist whore-friend" and is probably not something that should exist, but apparently it does exist. See Twivorce.
I can't believe what that tweetheart thinks she'll get away with what she's tweeting.
by hyperbole and a half December 12, 2011
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