V. To back out of or delete a comment, message, wall post, chat request, or any other forms of social engagement on Facebook.

Often occurs after rethinking the other person's reaction.

1) I was so drunk last night I wound up messaging Brittany that I didn't wear a rubber... I should've Facebacked.

2) I was going to compliment Cindy, then I realized it was 2:00 a.m. and Facebacked.

3) I sent that bitch a message that I wanted to marry her, my god I wish I Facebacked.
by Guitano98 March 29, 2009
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A skill that is acquired to determine the facial appearance and attractiveness of a person from only witnessing the back of the persons head.
A rating from 0-10 is then conducted before seeing the person. The more accurate your rating was, the better Facebacker you are.
Tom: Hey Jerry, that girl in front of us has appealing buttocks. I faceback her an 8, what do you think ?

Jerry: She's alright but with those size 9 feet I would faceback her a 4.
by Mr_Ryt_Now November 26, 2013
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To accidentally hit the back icon while reading through your Facebook feed on your phone, resulting in having to scroll through your feed to pick up reading where you left off.
I'd been reading my Facebook feed for 20 minutes and then I Facebacked. I had to scroll through all those posts again so I could catch up.
by ObviousMan1 December 5, 2016
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the feedback one receives from one's friends who have visited one's facebook.
The faceback I have been receiving for the last few days is imposing.
by uttam maharjan March 13, 2011
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The act of getting on to your wive's, husband's, boyfriend's, girlfriend's or pal's Facebook profile, (whether you have one yourself or not) to post something, for communication or just plain impishness.
"Hey there all, Joe here using Elaine's page! I'm Facebacking!"
by RBRaleigh November 24, 2009
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The act of looking at past pictures, posts and other facebook evidence to corroborate something you find out about but had not known to be true
I had no idea Kevin and Marie were dating but I did some faceback stalking and they have quite a lot of flirty pictures and have been a few places alone so it makes sense now.
by victoriousecret October 24, 2013
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