Noun
1. the sound of a sudden heavy fall
Verb
1. drop sharply;
"The stock market plummeted"2. set (something or oneself) down with or as if with a noise;
"He planked the money on the table""He planked himself into the sofa"3. make fat or plump;
"We will plump out that poor starving child"4. give support (to) or make a choice (of) one out of a group or number;
"I plumped for the losing candidates"Adjective
1. euphemisms for slightly fat;
"a generation ago...buxom actresses were popular"- Robt.A.Hamilton"chubby babies""pleasingly plump"Adverb
1. straight down especially heavily or abruptly;
"the anchor fell plump into the sea""we dropped the rock plump into the water"