The several hundred facebook updates that fill up your inbox when you "Like" or reply to a comment that then becomes a source of heavy debate.
I received 53 emails, and I thought some of them might have been useful; actually I'd just been facebombed.
by Plastercaster May 7, 2010

The act of taking a picture that contains a funny or strange face and photoshopping that face onto the other people in the picture.
Guy: Hey, check out this picture of Kyle at the party. He looks like he shat himself. I'm gonna facebomb this.
-some time later-
Guy: hey, look what I did.
Girl: Oh my god, they all have that face, thats so funny!
Guy: Yeah, these party pics are facebombing gold.
-some time later-
Guy: hey, look what I did.
Girl: Oh my god, they all have that face, thats so funny!
Guy: Yeah, these party pics are facebombing gold.
by MistaBojangles3 February 26, 2010

The act of leaving wall posts on someone's facebook page when they forgot to log out of their account while you pretend to be them.
"I facebombed my sister so bad the other day. I posted that her older sister (me) was the coolest person she had ever met and that everyone wanted to be like her."
by Sub1ime January 19, 2010

Benny: Dude, do you think she's knows I'm interested in her?
Sebastien: Well, you commented on every single picture in her profile album and left five comments on her wall in the past five minutes. I think she knows. Facebomb much?
Sebastien: Well, you commented on every single picture in her profile album and left five comments on her wall in the past five minutes. I think she knows. Facebomb much?
by Starrynight1979 October 9, 2009

One who "bombs" your Facebook News Feed with multiple status updates, link/video posts, picture uploads, Foursquare check-ins, etc. Basically someone with no life.
by ILLbehaved May 29, 2010

When another person leaves the computer with their facebook page still logged on, you make a status for them to embarrass them.
by Jenjosie October 15, 2011

To post a status or comment that you perceive to be hilarious or clever only to get no likes or comments in response.
To jokingly post a sarcastic response to a status, but be accused of being a troll.
To jokingly post a sarcastic response to a status, but be accused of being a troll.
Mark: "I thought my status was pretty fuggin' funny, but it's been four hours now and no one's responded!"
Tom: "You facebombed."
Tom: "You facebombed."
by Mot6180 August 23, 2014
