Ceddi is a person that never lets you down and always has your back. He is one of a kind. Once you have met a Ceddi you will never be able to forget him.
How cuddihy is another way to say ‘How could he’. The word cuddihy origins are unknown but are speculated to stem from a godlike creature. This phrased is only used after your significant other backstabs you.
Luke: Tom you said you were going to go clothes shopping with me tomorrow!