2 definitions by diaflux

The result of using facebook for 24 hours or more.
"I've missed work and I've been on this all last night. I found all the people I went to preschool with."

"Oh hey, you're really into some serious facebutt."
by diaflux July 24, 2008
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The result of using facebook for 24 hours or more.
"Dude, I've missed work and I've been on here all last night."

"Oh fuck, you got serious facebutt."
by diaflux July 21, 2008
Get the facebutt mug.