| Date: | 1800-1900 |
| Origin: | From the sound |
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plop2 past tense and past participle plopped, present participle plopping
1 [intransitive always + adverb/preposition] to fall somewhere, making a sound like something dropping into water
2 [transitive] to drop something, especially into a liquid, so that it makes a sound

The frog plopped back into the pond.



