Ratcore is an aesthetic that commonly involves rats of any kind.

Originating on social media apps like Tumblr and Instagram in the late 2010s , Ratcore tends to intersect with other aesthetics such as Goblincore, Raccooncore and Dirtcore. A lot of Ratcore photos are of people's pet rats or edited stock photos. Ratcore tends to have a "creepy-cute" aspect to it. This especially is prominent when visuals have soft colors, cute imagery, glitter, etc, as throughout history rats have been associated with disease, darkness and filth. Sometimes Ratcore is portrayed as having a very chaotic aspect to it because of the "rabidness" and wilderness of the small animal.

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