Plunk (someone, something, or oneself) down American British phrasal verb informal
To put, throw, drop, someone, something, or oneself down heavily and without taking care.
He plunked down beside me after having got bad marks.
Jane plunked the suitcase down because she's too tired.
James plunks the groceries down the kitchen floor.
To take a seat and relax
Used to describe a basketball throw that misses everything, especially the basket.
Treat or consider someone or something as the most important person or thing
Used to say that someone is not working or producing anything
1. To throw someone or something violently into a certain place with or as if with a catapult.
2. To increase one's fame, glory, or social status, etc.
The verb "plunk" should be conjugated according to its tense.
This phrase dates back to the late 1800s.