General Slang:
* Cakehole: A humorous term for mouth, often used to refer to someone eating or talking a lot.
* Chopper: A term used for mouth, especially when referring to teeth or chewing.
* Trap: This term is often used in rap music and refers to the mouth as a place to "trap" or hold things.
* Piehole: Similar to "cakehole," this is a humorous term for mouth, often used when someone is talking a lot.
* Gabber: This is slang for someone who talks a lot, so you could say they have a "big gabber."
More Informal/Rude Slang:
* Kisshole: A very rude term for mouth.
* Gob: A somewhat crude term for mouth.
* Hole: A very informal and often offensive term for mouth.
* Schnoz: A slang term for nose, but can sometimes be used to refer to the mouth.
* Kisser: While technically referring to lips, it can be used as a slang term for mouth.
Remember: It's important to be mindful of your audience and the context when using slang terms. Some of these words are very informal and potentially offensive.