A Ciarn is the most love able girl you will ever meet. If you meet a Ciarn she will be the best thing that has happened to you. She is extremely attractive so nice caring and is a lovely sweet girl.
by William power August 18, 2019
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A person that is usually quite stupid and/or retarded. Ciarn is spelt many different ways (Sian, Cian, Siarn) But Ciarn is the most popular spelling. A Ciarn is usually that person who always tells an unfunny joke or is obsessed with boys.
by A guide to weird words February 02, 2017
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