plug

ot noun

1. A pronged connecting device which fits into a mating socket, especially an electrical one. I pushed the plug back into the electrical socket and the lamp began to glow again.
2. Any piece of wood, metal, or other substance used to stop or fill a hole. Pull the plug out of the tub so it can drain.
3. A flat oblong cake of pressed tobacco. He preferred a plug of tobacco to loose chaw.
4. A worthless horse. That sorry old plug is ready for the glue factory!

fe’l verb

1. To stop with a plug; to make tight by stopping a hole. He attempted to plug the leaks with some caulk.
2. 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.
3. To persist or continue with something. Keep plugging at the problem until you find a solution.
4. To have sex with, penetrate sexually. I'd love to plug him.