Facebook Downsize 

Verb.
1) To delete (defriend) friends on your Facebook profile that you do not know or hardly know.

Because Bob only knows 200 of his 1,000 facebook friends, Bob decided to Downsize his Facebook.

John facebook downsized his profile and he now only has fifty friends compared to his original six hundred.

Facebook Downsize by Retgarr April 22, 2009

Facebook chicken 

Staying on facebook for an extended period of time waiting for a specific person to facebook chat you. The first person to get off or to facebook chat the other is officially the loser.

Guy 1: Hey man, what did you do last night?

Guy 2: Me and Janice played facebook chicken for 5 hours

Guy 1: Oh, who won

Guy 2: I did, she finally sent me a message. It said 'fuck you'.

Facebook chicken by the adambomb October 20, 2009

facebook funeral 

When many people write on the wall of a recently deceased person. Their posts usually consist of fond memories them and said person shared, their last moments with said person, describing how great said person was and what a shame it is for them to have passed on and for those who have little to say, well, they show their remorse with a <3 Its basically like a funeral service, internet style.

EXAPLE OF FACEBOOK FUNERAL POSTS

Mia : "Hal, i miss you so much. It's so unfair that this happened to you. I hope to see you again someday..."

Gill: "You were a good guy, I'll miss you buddy"

Chastity: "<3"

facebook funeral by aswizzle November 8, 2010

Facebook fling

to flirt with someone over facebook and make it seem like they are a "thing"

Jack: I'm gonna win this poke war
Maggie: No way im gonna win(;
Jack: maybe.. but when are we gonna hang out?
Maggie:Ahh i dont know! Soon though!(;

Later..
Megan:Did you see Jack and Maggie facebook flinging?
Devon: I know it's getting annoying. why don't they just go out?

Facebook fling by momolove4 April 20, 2011

Facebook Official 

An fact that is proven true simply because it is on Facebook.

"Dude, Sarah is going out with Greg, it is Facebook Official"

Facebook Official by NafAgok August 4, 2008

Facebook Fake-out

The act of when an ugly but yet photogenic person posts multiple deceiving photos of themselves to fake-out the viewer.

(Kyle) OMG! Did you see that girl Jordan on Facebook!? She is SMOKIN'!!!!

(Tanner) Have you ever seen her in person? She is a fat cunt and a total Facebook fake-out.

Facebook Fake-out by Coutney and Rachel January 26, 2009

Facebook Creeper 

Someone, usually of the opposite sex, who creeps on someones Facebook pages constantly. He/She likes and comments all their pictures to gain their attention. They also comment and like every status the other writes, even if they have no reason to, or it doesn't pertain to them. They do this in hopes they will be noticed and be able to get with the person.

Girl Status: I'm so tired and my stomach hurts ;(
Creep: (Like)

Girl posts a new picture
Creep: Likes and comments beautiful
Girl posts another picture
Creep: Likes and comments again
and so on and so on...

Girl: Damn Kim Jason has been Facebook Creepin' you hard likin' and commentin' all your pics and statuses.

Kim: yeah dude is thirsty haha what a Facebook Creeper

Facebook Creeper by WhiteRex09 February 28, 2013