ROUS

What kind of animal does ROUS stand for?

Rodents of unusual size

ROUS is shorthand for the fictional creatures featured in the 1987 fantasy film The Princess Bride. The term refers to giant, aggressive rats that inhabit the Fire Swamp, a dangerous location that the main characters, Westley and Buttercup, must pass through.

The ROUS quickly became one of the movie’s most memorable and bizarre elements, thanks to its absurd name and over-the-top appearance. Over time, ROUS has become a playful reference in pop culture used by fans of the film to describe any unusually large rodent or even just anything unexpectedly oversized. People often use it online, in memes, or in casual conversation as a lighthearted nod to The Princess Bride.

Example

Did you hear something in the attic last night?
Yeah, I went up there with a flashlight. I swear I saw something move. It looked like a giant rat
A giant rat? Like, how big are we talking?
Like, ROUS big. I'm not even kidding

Those pesky ROUS

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Updated August 6, 2025

ROUS definition by Slang.net - The Slang Dictionary

This page explains what the acronym "ROUS" means. The definition, example, and related terms listed above have been manually compiled and written by the Slang.net team.

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