We found 10 dictionaries that define the word plonk down:

General (9 matching dictionaries)

1. plonk down: Merriam-Webster
2. plonk down: Vocabulary.com
3. plonk down: Dictionary.com
4. plonk down: Rhymezone
5. plonk down: FreeDictionary.org
6. plonk down: Mnemonic Dictionary
7. plonk down: TheFreeDictionary.com

Miscellaneous (1 matching dictionary)

8. plonk down: Idioms

Definitions from WordNet (plonk down) ▸ verb:  drop heavily ▸ Words similar to plonk down ▸ Usage examples for plonk down ▸ Idioms related to plonk down ▸ Wikipedia articles (New!) ▸ Words that often appear near plonk down ▸ Rhymes of plonk down ▸ Invented words related to plonk down