Peppery isn't an idiom. It means spicy, hot, or with an excitable temperament. "Peppery individual" would be the latter meaning.
What causes peppery mouth
"Ginger" refers to the peppery plant; redheads are supposed to have a fiery or peppery personality.
Hot and peppery with a slight tang.
A soft peppery Camembert
mint
If it is an Indica strain it can have a peppery smell.
Ambrosial, tangy, peppery, keen, zesty...
I t taste extremely good with all the pepper and sauce
The chanterelle is a mushroom. They have a fruity smell similar to apricots but have a peppery taste.
it means seeing a person as an individual
Yes, you can. They have a strong peppery flavor and will taste even stronger when raw.