Plump (Verb)

Drop sharply; "The stock market plummeted".

Verbs of walking, flying, swimming.

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".

Verbs of touching, hitting, tying, digging.

Make fat or plump; "We will plump out that poor starving child".

Verbs of eating and drinking.

Give support (to) or make a choice (of) one out of a group or number; "I plumped for the losing candidates".