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2.
A communication option on Facebook that allows users to say hello to or show interest in a friend without having to go through the tedious process of crafting coherent sentences in order to express one's self.

The Facebook poke is especially useful in the process of overanalyzing a potential romantic interest's feelings about you based solely on impersonal online interactions.
Stan: I Facebook poked Wendy two hours ago, but she hasn't poked me back yet!

Kyle: That sucks - I guess you're going to have to find a different prom date.
by E_Rochester June 25, 2010
 
1.
when bitches want to have sex, so they push the poke button on facebook to say they are dtf.
Mary: John keeps poking me.
Erica: We both know a facebook poke means he wants to fuck.
by marigoldini January 30, 2011
 
3.
A way of saying "I like you" to someone without actually coming out and saying it to their face. If they poke you back, they are equally interested.
Lisa: I really like this guy, but I don't know what to say to him.
Michele: Facebook poke him.
by Phil92-1 June 14, 2010
 
4.
A friendly way of "annoying" someone and reminding them that they have you as a friend on Facebook. Does NOT always mean you're flirting. Can also be something you do in order to keep yourself busy when you're bored.,

A Facebook Poke has been known to lead to a "Poke War" in which two people continue to poke eachother until one stops. The person who stopped poking back lost, thus making the other the winner of the "war"

.. on a personal note, I think Facebook should get a 'dislike button' ., (:

but anyways...POKE!
I poked my friend on Facebook., therefore it is a Facebook poke.

Note: This definition might just appeal to the younger generation >.<
by boreddork May 19, 2011
 
5.
Verb-(1)A gesture available on Facebook often used in a playful or flirtatious manner.

Verb-(2)The online equivalent of an awkward silence.
I wish Tom would stop poking me."-"He's poking you? That's really weird.."-"It's only a Facebook Poke."-"Ohhh....
by ***FlubberisFTW*** June 25, 2010
 
6.
DTF
Dan : "Hey Steve I poked Jenny on facebook and she poked me back!"

Steve : "Oh, a classic facebook poke. she'll be biting your pillow in no time"
by Poke King December 01, 2011
 
7.
A feature on Facebook which allows users to interact without actually talking. Many guys falsely perceive it as a way for girls to indicate that they want to have sexual intercourse with said guy.
Guy #1: "Whats good, nigga? LaNeesha facebook poked me. Dat bitch deff wants the D."

Guy #2: "Shit Tyrone, get it together!"
by TyroneDaPussyEater February 05, 2013