often results in ridiculous and/or shameful posts one would not make whilst sober.
can be a verb as well.
"holy shiet daria, your are all over my news feed" "ya i facebucked last night'
"If you tag one more photo of me, I will Facebuck your ass!"
"Sweety, I know I slept with your brother and your best friend at the same time, but do I really deserve a Facebucking?"