What is Faceback?
1.
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.
See