What is Cyon?
C' yon (pronounced See - Yon) derives from the shorthand 'C' used on MSN for 'See' and an alteration of 'You' which is 'Yon'. It literally translates to 'See you'. Usually it is further shortened to just 'cyon'
Tom: I'm off now mate, talk t'ya later...
Joe: cyon
See cyon, bye