When a friend places an insane amount of comments, posts, likes, tags on your Facebook profile so that you have a ton of Notifications to look through upon your next log-in.
Todd: "I just hit the Like button on every post on Jennifer's wall."

Jennifer: "How do I have 68 FB Notifications!?"

Todd: "You've been FBombed!"
by jenred316@yahoo.com November 17, 2010
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Used in the media as an acceptable way of saying someone has said the word fuck.
Ted Kopple: "The world is outraged that during the Grammy's this trashmouthed rapper has dropped the fbomb.
by Dank January 29, 2005
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