A 'perk' is something extra and good you get at work or from something, like free food or gifts. It is not your normal salary but a special advantage.
Free lunch is a nice perk at work.
A company car is a good perk.
To 'perk' means to become happier or more lively. People or things can perk up when they feel or look better.
She perked up after hearing good news.
The flowers perked up in the sun.
Animals or people 'perk' a part of their body by lifting it up. This shows they are paying attention or interested.
The dog perked its ears at a noise.
She perked up her nose to smell the food.
To 'perk' coffee means to make coffee using a percolator. Water is heated and passed through coffee grounds to make the drink.
I perked some coffee this morning.
She perked the coffee for the guests.
To 'perk' someone or something means to make them feel more alive, lively, or excited. It is like giving energy or spirit.
The music perked up the party mood.
Cold water perked him up quickly.
In some dialects, 'perk' refers to a bird species, especially the golden plover. This use is rare and mainly found in certain regions.
The perk is seen in wetlands during spring.
Bird watchers spotted a perk near the lake.