The awkward time between a "hi" and actual conversation while chatting online to your crush where you're trying to figure out what the heck the other person is doing without being a stalker.
*On FaceBook*

Kid 1: "Hi"
Kid 1's Crush: "hey"
Kid 1: "what's up?"

*20 minutes later*

Kid 2: "you talking to (Kid 1's crush)?"
Kid 1: "I'm still at the what's up phase..."
by Lazer Gun4 September 25, 2011
Get the What's Up Phase mug.