1. a cheap or inferior wine
Usage: informal
2. something that makes a plunking sound

Examples

• He bought a bottle of plunker for the party since he was on a tight budget.
• The old guitar was just a plunker, but it still made music.
• She didn’t want to serve expensive wine, so she picked up a plunker from the corner store.
• The banjo player’s instrument was an old plunker that had seen better days.
• They called it plunker wine because of its harsh taste.
• The stone made a plunker sound as it hit the water.