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A label put on videos and photos that show ownership over that material. Can be found all over the internet, most commonly on YouTube videos made by Bandicam.com, in which the www.bandicam.com label is displayed on the screen.
The website KissAnime puts a KissAnime watermark on the upper left of the screen to show you're watching the video on KissAnime.

The website iFunny puts an iFunny watermark at the bottom of all their memes to show the meme was originally created on iFunny.
by AUtoMaTicGUnsHoT February 26, 2017
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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2
See ebaums world and look at all of the stolen images - that "Ebaumsworld" black box at the bottom right is eBaum's watermark, which he uses to attempt to show ownership over stolen material.
We should watermark Eric Bauman's ass with Somethingawful.
by bassbaboonist January 09, 2006
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