The Persona
Dreaming of a toilet: meaning and interpretation
The place where you let go of what you do not need
Privacy, the need to let go, and the embarrassment of doing it in front of others.
Symbolic reading
Dreaming that you need a toilet and cannot find one, or that every bathroom is filthy, has no door or is in plain view, is very common. It usually points to a need of your own — to rest, to say no, to get something off your chest — that has no safe place to be met. If you were embarrassed to be seen, the dream touches the fear of showing what you feel. If you finally found a clean one, you already know where you can let go.
Jungian key
In analytical psychology, this dream sets the Persona, the well-kept face we show, against the needs of the body, which do not negotiate. What you release in the bathroom is what no longer serves you. Giving that need a dignified place, instead of hiding it, is also a way of integrating the Shadow.
Find a space of your own to let go of what you are carrying. You do not need permission to take care of yourself.