Top definition
noun- to randomly end up on Facebook.com without realizing it.

I was writing my term paper on the computer, and suddenly realized I was on Facebook.com. Totally had a Facebook Spasm.

I was sitting in the computer lab and the guy across the room constantly went to Facebook.com. Talk about a lot of Facebook Spasms.. spazz!!
by tallyhallic April 27, 2009
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