Cassidese Glossary – Bun

For some time now, some of my on-line friends have advised me to provide a version of CassidySlangScam without the invective aimed at Cassidy and his supporters. In response to that advice, I am working on providing a glossary of the terms in Cassidy’s ludicrous book How The Irish Invented Slang with a short, simple and business-like explanation of why Cassidy’s version is wrong.

According to Daniel Cassidy, the expression ‘to have a bun on’ (=to be slightly drunk) comes from the Irish word bun, which means a base. (For the full range of meanings of this word, check out this dictionary at

You will notice that to be slightly drunk is not one of these meanings. In fact, if you wanted to say ‘slightly drunk’ in Irish, you would say that someone is ar bogmheisce or meidhreach. While the origin of this English expression is unknown, it obviously doesn’t come from Irish.

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