1. a person who works steadily and persistently at something
Usage: informal
2. a device or tool used to insert plugs or fill holes

Examples

• She’s a real plugger who never gives up on difficult projects.
• The team captain was known as a plugger who motivated everyone to keep trying.
• He may not be the most talented, but he’s a plugger who gets results through hard work.
• The dentist used a plugger to fill the cavity in my tooth.
• The plumber brought a plugger to seal the leak in the pipe.
• After years of being a plugger in the minor leagues, he finally made it to the majors.