A Quick and Simple Dictionary

plug

1. Noun.  (context, electricity) A pronged connecting device which fits into a mating socket.
2. Noun.  Any piece of wood, metal, or other substance used to stop or fill a hole; a stopple.
3. Noun.  (US) A flat oblong cake of pressed tobacco.
4. Noun.  (US, slang) A high, tapering silk hat.
5. Noun.  (US, slang) A worthless horse.
6. Noun.  (context, construction) A block of wood let into a wall to afford a hold for nails.
7. Noun.  A mention of a product (usually a book, film or play) in an interview, or an interview which features one or more of these.
8. Noun.  (geology) A body of once molten rock that hardened in a volcanic vent. Usually round or oval in shape.
9. Noun.  (context, fishing) A type of lure consisting of a rigid, buoyant or semi-buoyant body and one or more hooks.
10. Verb.  (transitive) To stop with a plug; to make tight by stopping a hole.
11. Verb.  (transitive) To blatantly mention a particular product or service as if advertising it.
12. Verb.  (intransitive) (informal) To persist or continue with something.
13. Verb.  (transitive) To shoot a bullet into something with a gun.
14. Verb.  (slang, transitive) to have sex with, penetrate sexually.