The word kiada is realmante an expression, it is often used when you want to emphasize that someone tends to overvalue or behave like someone who is not. It can also mean going from "listillo" or "sobeado", and is usually somewhat derogatory or synonymous with mockery.
Exaggeration, itry to look like someone who is not, insolent behavior. It is used in some cities in Spain, and although I do not have the etymology, it occurs to me that it may have a common origin with quia.
It means showing yourself of higher value or quality than you really have. It means exaggeration, weighting, bulging, enlargement. Overvaluation.