PLUNK
plop, plunk
(adverb) with a short hollow thud; “plop came the ball down to the corner of the green”
plunk, plunker
(noun) (baseball) hitting a baseball so that it drops suddenly
plunk
(noun) a hollow twanging sound
pluck, plunk, pick
(verb) pull lightly but sharply with a plucking motion; “he plucked the strings of his mandolin”
plank, flump, plonk, plop, plunk, plump down, plunk down, plump
(verb) 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”
dive, plunge, plunk
(verb) drop steeply; “the stock market plunged”
clop, clump, clunk, plunk
(verb) make or move along with a sound as of a horse’s hooves striking the ground
Source: WordNet® 3.1
Etymology
Verb
plunk (third-person singular simple present plunks, present participle plunking, simple past and past participle plunked)
(transitive) To drop or throw something heavily onto or into something else, so that it makes a dull sound.
Synonyms: flump, thud
(intransitive) To land suddenly or heavily; to plump down.
(transitive, baseball) To intentionally hit the batter with a pitch.
(intransitive, of a raven) To croak.
(transitive, music) To pluck and quickly release (a musical string).
Synonym: twang
(ambitransitive, Scotland) To be a truant from (school).
Noun
plunk (plural plunks)
The dull thud of something landing on a surface.
(slang, obsolete) A large sum of money.
(slang, obsolete, US) A dollar.
Proper noun
Plunk (plural Plunks)
A surname.
Statistics
• According to the 2010 United States Census, Plunk is the 14064th most common surname in the United States, belonging to 2140 individuals. Plunk is most common among White (93.32%) individuals.
Source: Wiktionary
Plunk, v. t. [Imitative.] [Chiefly Colloq.]
1. To pluck and release quickly (a musical string); to twang.
2. To throw, push, drive heavily, plumply, or suddenly; as, to plunk
down a dollar; also, to hit or strike.
3. To be a truant from (school). [Scot.]
Plunk, n.
1. Act or sound of plunking. [Colloq.]
2. [Slang]
(a) A large sum of money. [Obs.]
(b) A dollar. [U. S.]
Plunk, v. i. [Chiefly Colloq.]
1. To make a quick, hollow, metallic, or harsh sound, as by pulling
hard on a taut string and quickly releasing it; of a raven, to croak.
2. To drop or sink down suddenly or heavily; to plump.
3. To play truant, or "hooky". [Scot.]
Source: Webster’s Unabridged Dictionary 1913 Edition