Tweetheart 

A person that does a great job tweeting via twitter.

Someone who uses twitter a lot.

Henry is such a tweetheart.

Tweetheart by JunkyRhythm April 3, 2009

tweetheart 

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.

tweetheart by timlight January 30, 2010

tweetheart 

a single person who seeks friendship and love from some other person on Twitter.

She is a tweetheart. She is looking for a like-minded person on Twitter.

tweetheart by uttam maharjan November 19, 2010

tweetheart 

"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.

tweetheart by hyperbole and a half December 16, 2011

Sweetheart 

A particularly lovable or pleasing person or thing.
Cereson is most likely the meaning of sweetheart.

I like to hang out with him because he's a real sweetheart.

Sweetheart by Xtriplex June 1, 2017

Sweethearting 

A type of employee theft in which the cashier will fail to ring up or scan goods that friends or relatives present at the register.

Did you hear about Jane? She got fired from the Gap for sweethearting some earrings to her friend.

Sweethearting by Chis2 January 13, 2010

High School Sweethearts 

A couple who sustained a relationship throughout and after high school and later on to marriage. These couples tend to be the strongest and happiest couples.

Brett: Wow Dylan and Tori have been together forever
Bretts Cat: Yeah that's because they are high school sweethearts!
Brett: Wow they look so happy.

High School Sweethearts by Chancepaige February 12, 2014