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4chumbler is the combined names of 4chan and Tumblr and it is used to describe the 'shipping' of the 4chan Anonymous man (a green, faceless man in a snazzy suit) and a Tumblr hipster (a teen girl with blue hair, hipster glasses and a tumblr icon hairclip) after 4chan anons threatened to invade and spam Tumblr blogs.
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