(verb) When a Facebook user uses his/her status as they would use a Twitter.
Jane Doe is eating breakfast. 9:00am
Jane Doe is washing her dishes. 9:30am
Jane Doe doesn't like doing the dishes. 9:45am
John Doe things Jane Doe needs to stop Twitterbooking. 10:00am
Proper Noun. The new Facebook.
The bastard child of Facebook and Twitter.
"Man, did you check the Twitterbook today?"
When you update your Twitter status and use that same status for Facebook, or vice versa.
Jane: "You see Frank had the same status for Facebook and Twitter today?"
Sean: "Yeah I guess they're calling that Twitterbook now."
Jane: "He even used the same hash tag on Facebook."
Sean: "What a tool."