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The most amazing thing Facebook has ever invented. You either love it, or find it incredibly annoying.
Ex 1. Oh shit, why did Matt click the Facebook Like Button, on everyone of my pictures, now i have 23 notifications, DAMN YOU FACEBOOK.
by Haskoo February 10, 2009
An annoying thing that tracks you, and is blue. It also is really annoying.
bob: "I hate that facebook like button"

steve: "Who doesn't?"
by Joe Mama tah 3rd November 30, 2013