1 definition by slimmishimmi

Little green beasts that nom on tumblr so it stops working. They may seem cute at first but soon you will associate them with everyting bad because they mean tumblr is broken.
Person New to Tumblr: awww hahaha that's so funny look at the cute tumbeasts!

Other person: NOOOOOOO! fucking die tumbeasts die! I need my tumblr! how else will I procrastinate properly?
by slimmishimmi March 8, 2011
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