Ñoño is an adjective and noun's origin onomatopoeic, i.e., formed by imitation phonetic. It is said very demure or prissy, person without grace or substance.In Mexico is familiarly used to describe to somebody corny or affected.In Argentina, Bolivia, Chile and Colombia are tells nono a very studious person, who lives very far from reality, does not speak with anyone, and is very withdrawn. While in Costa Rica ñoño is a very cloying person, affectionate and sentimental.