A tiny bathroom with very limited floor space in which there is only a toilet (and in some cases a sink). The name derives from it being so small and quiet, a suitable place for a monk to meditate.
You: hey bro, can I use your bathroom?

Friend: yeah it’s just that door under the stairs.
You: oh come on man not the monk chamber! I can barely even sit in there.
by PHlexicon January 11, 2021
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