What is a seppo?

A derogatory term for an American

A seppo is an insult directed toward Americans, often by the English and Australians. Seppo is short for "septic tank," which rhymes with "yank" (also slang for Americans).

People typically use seppo when they encounter an annoying American acting like a stereotypical American when traveling abroad. For example, if the American is loud and obnoxious, they may be called seppo. Or, the Americans may expect everyone to speak English or people to cater to their needs.


What's with all these seppos in the pub?
They are part of a tourist group from NY

Some seppo tourists

Related Slang


Updated December 30, 2022

Seppo definition by

This page explains what the slang term "Seppo" means. The definition, example, and related terms listed above have been written and compiled by the team.

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