1) A little button on Facebook used to express a positive response about someone's status, picture, video, link or pretty much anything else a person does.

2) The same button can also be used sarcastically.

Note: It is not dissimilar to the little "Thumbs-Up" picture next to each definition on Urban Dictionary.
1) Ash: "I just bought myself a new phone! :)" (23 minutes ago)
*you click on Like Button*
You like this.

2) Ash: "I just lost my phone! :(" (3 minutes ago)
*click on it again*
You and 7 others like this.
by SpecialCookies April 6, 2010
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An annoying feature in Facebook that allows people to positively acknowledge a post, image, or video without actually engaging in any form of meaningful conversation or dialogue.
Person #1's Facebook status update: "Man, I wish people would take the time to actually post meaningful comments on the stuff I post instead of just pressing the Like Button"

Person #2 and 3 others like this

Person #1: "God dammit!"
by anonnnnymous12344235 January 5, 2010
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term used by people on youtube or any social media platform with a like system. It is a request to add a "like" to a video or post in any from. Smash that like button is usually used to strongly imply how much passion the viewer of the video or post should smash the like button with.
"Now before we continue with this video i want you to SMASH THAT LIKE BUTTON."
by Dashingkilguy November 28, 2016
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The most amazing thing Facebook has ever invented. You either love it, or find it incredibly annoying.
Ex 1. Oh shit, why did Matt click the Facebook Like Button, on everyone of my pictures, now i have 23 notifications, DAMN YOU FACEBOOK.
by Haskoo February 11, 2009
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When someone on a social website that's not Facebook likes something, but there's no 'Like" button so they say, "Where's the 'Like' button?
A boy sees a girls picture on Myspace and they leave a comment saying, "Where's the 'Like' button?"
by MarryKaaayy. November 1, 2009
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The ailment that causes a person to want to *like* something when one reads or hears or thinks about something that one *likes*, often funny, of an agreeable nature, or spoken, written, about someone or something you like. only obtained by frequent use of social networking site *facebook*
Guy1: Hey did you hear? Australia won again!
Aussie: *searches for like button* (example of like-button syndrom)

Guy2: *thinking something stimulating*
Guy2: *searches for like button* (another example of like-button syndrome)
by Pixel15 December 10, 2010
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