Slang terms for "toilet":
Common:
* Bathroom: This is a general term that can refer to the entire room, but often implies the toilet specifically.
* Restroom: Similar to "bathroom", but often found in public places.
* Loo: British slang for "toilet."
* Can: A common and informal term.
* John: Another common informal term.
* Head: A slightly dated term, often used by sailors.
* Throne: A humorous and metaphorical term.
Less Common:
* Crapper: A slightly more vulgar term.
* Bog: A British slang term.
* The facilities: A polite way to refer to the toilet.
* The porcelain god: A humorous and metaphorical term.
* The little boy's room: A childish and informal term.
* The powder room: A more formal term, often used for a guest toilet.
Regional Slang:
* Shithouse: A very common and informal term in Australia and New Zealand.
* Dunny: Another common term in Australia and New Zealand.
* Toilet bowl: A literal and straightforward term, often used in the US.
Remember that slang can be very regional and depend on age and social group. Some terms might be considered offensive or inappropriate, so it's always best to be aware of the context and audience.