The term REAL SCREAM is composed of two words: RIOT and THIGHSLAPPER. RIOT is a noun that refers to a violent disturbance of the peace by a crowd, usually involving destruction of property or violence against people. THIGHSLAPPER is a slang term for someone who is overly confident or boastful. Together, these two words form the phrase REAL SCREAM, which can be used to describe someone who is loud and boisterous in their behavior.