pith and vinegar en · NOUN
Meanings
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(euphemistic, form-of, uncountable) Euphemistic form of piss and vinegar.
form of piss and vinegar
If you're a female, early to mid 30's, pulchritudinous, full of pith and vinegar and ready for something serious, send photo and phone - and let's talk!
1990, New York Magazine, volume 23, number 36, page 119: