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1 definition by Montana Jack

v. To unfriend (or block) someone on Facebook (or any similar social networking service)
"Dude, I can't believe that girl. I sent her an invite to my bondage workshop and she Facebucked me!"

"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?"
by Montana Jack November 18, 2009
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