It could be a abbreviation specific to a certain group, or perhaps it's a made-up word. If you could provide some background about where you saw this term, I could try to shed some light.
This just could be
It's https://graysonbduu315808.blogdigy.com/well-now-a-tough-one-69cuan-doesn-t-seem-like-a-familiar-word-in-any-widely-used-dialect-i-have-come-across-50929127