To collect information, passively or actively, on an individual using Twitter with the intent of using said information to meet (passively or actively) said individual in real life (IRL).
Girl that uses twitter to gossip about every little thing in her life.
Girl that starts twittering "Over Heard" or OH about the conversation your having with her in the middle of the conversation.
Girls that tweet 30 times a day about nonsense.
Did you read any of Stephanies tweets today? Ya I saw a bunch of OH's that were really lame and of course she always tweets where and what time she and her friends shit every morning.
Two reasonable people, out to lunch:
Person A -- Did you see that #twittersex Alan was creeping on that 14-year old?
Person B -- Yeah, he's such a #twitterast