1. people who work steadily and persistently, especially at routine tasks
Usage: informal
2. devices or tools used to fill holes or gaps

Examples

• The office pluggers stayed late to finish the quarterly reports.
• She’s one of those reliable pluggers who never complains about overtime.
• The construction crew used rubber pluggers to seal the pipe joints.
• These cork pluggers work well for wine bottles.
• Most successful students are steady pluggers rather than brilliant slackers.
• The plumber brought various pluggers to fix the leaky connections.