Cries of approval are exclamations of joy or enthusiasm that are used to express approval or agreement. The most common cries of approval are 'Yays', 'Oles' and 'Yeas'. Yays is an expression of joy or excitement, usually used to show approval or agreement. Oles is a Spanish expression of approval or encouragement, often used in sports. Yeas is an expression of agreement or approval, usually used in formal settings.