Bedeutung von “plop” — Learner’s Dictionary

plop

verb us /plɒp/ present participle plopping, past tense and past participle plopped US informal
plop (sth) down/onto, etc

to put something somewhere quickly and without care:

She plopped down next to me.

(Definition von “plop verb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)