It could be a abbreviation specific to a certain group, or perhaps it's a neologism. If you could provide some background about where you saw this term, I could try to figure it out.
That might be
It's possible https://alyshaejqf409214.blog5.net/78037538/that-s-a-tough-one-69cuan-appears-to-be-a-common-phrase-in-any-popular-tongue-i-have-come-across