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What does RIS stand for?

RIS stands for Russian Imperial Stout

This definition appears frequently and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture

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We have 271 other meanings of RIS in our Acronym Attic

Samples in periodicals archive:

It'll be interesting to see what the Estonians make of the very English idea of milk stout, and, while Russian Imperial stout is still a British invention, the Estonians have their own take on it with their own local ingredients.