expression, noun
brothel (esp. one allowing penetrative intercourse)
Slang term for a brothel, especially one where full intercourse is permitted. Often used in red-light district contexts.
あの界隈にはちょんの間が何軒もあるらしい。
I hear there are several brothels in that area.
expression, noun
quickie (in a brothel); short sexual act
Refers to a brief sexual encounter, typically within a brothel setting. The term implies a short, transactional act.
ちょんの間だけのつもりが、つい長居してしまった。
I only meant to stay for a quickie, but ended up staying longer.
expression, noun
just a short moment; a little while; an instant
Original, now somewhat dated meaning. Used to indicate a very brief period of time. The modern slang senses derive from this.
ちょんの間も待てないのか。
Can't you wait even a moment?