Wiktionary
n. (context idiomatic English) exuberance or enthusiasm, especially to an excessive degree; bravado; youthful energy. (from mid-20th c.)
Usage examples of "piss and vinegar".
On the other hand, the last I heard, Colonel John Singleton Mosby was still alive and full of piss and vinegar, no matter how dead this namesake at our feet seems to be right now.
Now he felt like himself again, full of piss and vinegar, and if he was almost certain to pay dearly for that feeling tomorrow, well, he'd think about that tomorrow.
Students everywhere are well supplied with piss and vinegar, and these Chinese students were no different.
Students everywhere are well supplied with piss and vinegar, and these Chinese students were no difÂ.
Before anyone knew any better, a lot of gay guys had wanted children, and now the children are sick and the mothers are dying and the fathers are dead, and sitting in the hospital vomit smell of piss and vinegar while a nurse asks each mother how long she's been sick and how much weight she's lost and if her child has any living parent or guardian, Marla decides, no.
But I can see in their eyes they think I have too much piss and vinegar for the present circumstances.
Dozens of you in your twenties and thirties and filled with high tech, piss and vinegar.