italker 

Someone that only talks to you on the internet via msn, facebook, etc., but when person to person, suddenly has nothing to say.

Jami is such an italker, i talked to her till four in the morning last night but in class today she didn't say shit!

italker by Caleb Olsen March 4, 2008

iStalker

An internet/social network/dating website stalker.

A person that uses the internet/google/bing/Facebook/Twitter/Match.com to gather information about someone so they can stalk them online or in person.

"You Googled/Binged me before asking me out/sending a FB request/Wink?" "You iStalker!"

iStalker by Ndru July 2, 2012