To stop with a plug; to make tight by stopping a hole.
He attempted to plug the leaks with some caulk.
To blatantly mention a particular product or service as if advertising it.
The main guest on the show just kept plugging his latest movie: it got so tiresome.
To persist or continue with something.
Keep plugging at the problem until you find a solution.
To shoot a bullet into something with a gun.
To have sex with, penetrate sexually.
I'd love to plug him.
The act of stopping with a plug.
The material of which a plug or stopper is made.
An arrangement of plugs.
We tried a few different pluggings.