when you're so bored whilst looking at facebook that your eyes just phase out and wander over your computer screen, until you notice your favorites toolbar and see the link to facebook and think 'ah, facebook; that will alleviate my boredom', and clicking it raises you mood ever so slightly until you realise you have in fact just double facebooked yourself.
Tom: 'dude, where were you last night? we had an awesome house party with about thirty people here, it was legendary'

Dick: 'what party?! no one told me about this! i thought you were having a quite evening in with harry!'

Tom: 'we were, but then we decided to have a party. sorry man i thought harry told you.'

Dick: 'i am so angry about this, last night i was so bored i ended up double facebooking myself like three times.'
by the fierce cactopus August 25, 2010
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Having two browsers open with Facebook on both. Commonly used when playing multiple facebook games, or by forgetting that you already have facebook open.
guy: How do you manage to level up all your facebook games so fast?
guy 2: It's easy, you just use double facebooking!
by Addicted2Facebook December 20, 2009
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When someone makes a post on Facebook and you and another friend (the double teamers) both comment on the post in order to make fun of the original post. The comments almost always end in smiley faces to express sarcastic joy or happiness. The comments need to be made close together time-wise and should convey a similar message.

This is often used when a couple are getting too lovey dovey on Facebook and you want to ruin the moment and make it awkward for both of them. It is best to use it when the couple just like each other and aren't going out yet. Use it then for optimum awkwardness. Facebook double teaming is also used to make fun of a dude who is whipped by his girl. Whit-cheee

It can also be used to argue and make fun of people who make stupids posts or statuses.
boy posts on girl's wall: Hey you, I can't wait for Friday night! Going out to the movies with you is my favorite! Mwah!

comment by Facebook Double Team: You two are so cute!!! ;) :)

comment by other Facebook Double Teamer: You lovebirds are meant for each other! =)

girl posts on boy's wall: Hey what did you get on the science test?? I was just wondering since you stayed up to study so late lol.
KBYE

comment by double teamer: Get Some! =) =)

comment by other double teamer: These two should be a couple they are so adorable together! ;)

status by idiot: ed thomas convicted send him to texas too die

comment by double teamer: nice one ed thomas was murdered. mark becker was convicted

comment by other double teamer: ur such an idiot. classic "enter name"
by WOSH & BASS March 28, 2010
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Person A says they saw that person B was somewhere or did something. Person B does a double-take because they know they didn't tell Person A about that. Then Person A reveals they saw the information on facebook.
"Joe Blow said something about me being at that party, and I did a facebook double-take!"
by MamaRen May 2, 2010
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when two friends are one the phone with each other and one posts a new status and the other one comments while they are on the phone together. They know what each other is going to comment before they comment.
by DoubleFaces333 June 1, 2011
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