That's a tough one! "69cuan" isn't a common word in any popular dialect I am familiar with.
It could be a abbreviation specific to a certain group, or perhaps it's a invention. Maybe provide some context about where you encountered this term, I could try to figure it out. This just could be Perhaps could change to a mix of both. If you decide to venture out the fresh air, make sure to your jacket. Lingo Word Every online communit