Oncer definitions

Oncer

Oncer was British slang for a one-pound note.
Found on http://www.probertencyclopaedia.com/browse/ZO.HTM

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Oncer

Australian slang for a person elected to Parliament who can only expect to serve one term.
Found on https://www.easypacelearning.com/english-books/slang-words-a-to-z/375-slang

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