/ plʌŋk; NAmE / verb [ vn ] ( informal )
1.
[+ adv. / prep. ] ( NAmE ) = plonk :
He plunked the package down on the desk.
2.
to play a guitar , a keyboard, etc. with your fingers and produce a rough unpleasant sound
► plunk noun :
the plunk, plunk of the banjo
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PHRASAL VERBS
- plunk down sth
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WORD ORIGIN
early 19th cent.: probably imitative.