full of piss and vinegar
Adjective
Meaning
full of piss and vinegar
(idiomatic) Exuberant or enthusiastic, especially to an excessive degree; brazen.
Antonyms
Examples
I've gotta keep writing. But where's the next step, where do you go? But at my age, you start to get tired. You're not full of piss and vinegar. The vinegar's all gone.