Definition:
The phrase "plonk down" is a verb that means to drop something heavily or carelessly in a specific place. When you "plonk down" an object, you usually do it in a way that shows it was not done gently, often making a noise.
You can use "plonk down" to express a sense of relief or tiredness when finally putting something down after holding it for a long time. - Example: She plonked down on the sofa, exhausted after the hike.
While "plonk down" is a specific phrase, it can be related to other expressions like "plop down," which means to sit down heavily or suddenly. - Example: He plopped down into the chair after running to catch the bus.
"Plonk down" is an informal term used to describe dropping something heavily or carelessly. It conveys a sense of effortlessness or tiredness when putting something down.