1. past tense of plunk; to put or set down heavily or carelessly
Usage: informal
2. past tense of plunk; to make a short, hollow sound
3. past tense of plunk; to play a stringed instrument by pulling and releasing the strings

Examples

• She plunked her backpack down on the floor.
• He plunked himself into the chair after a long day.
• The stone plunked into the pond with a splash.
• The guitarist plunked out a simple melody.
• I plunked my keys on the kitchen counter.
• The book plunked to the ground when it fell off the shelf.