1. 突然而沉重地坠下;快速而坚决地放下：45plug in插入,插上插头(以接通电源) | 46plump down突然而沉重地坠下;快速而坚决地放下 | 47plump up鼓起,变丰满
verb
1. set (something or oneself) down with or as if with a noise
e.g. He planked the money on the table
He planked himself into the sofa
Synonym: plank flump plonk plop plunk plunk down plump
2. drop heavily
Synonym: plonk down plank down