The action preformed by a creepy guy, usually at a comic con, where he attempts to inject himself into your group but fails, quickly looking for an out, he will lock his eyes on the next next available group of girls and preform a stalker pivot.
"This guy came up to us and was acting like a complete creeper, we told him off and he preformed the creepiest stalker pivot I've ever seen and started following some other group of girls."
When a fat women losses a little bit of weight and all of the sudden thinks she's skinny and then proceeds to wear skin tight leggings and other tight attire that was not intended for her weight class, she has become a smallrus.
Origins - Small and Wallrus
Friend - "Dude my sister has lost a little bit of weight and is starting to wear slutty skin tight cloths."
You - "You sister has entered the next step of her evolution, shes a smallrus."
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