Screaming meemy is a slang term that originated in the 1950s and refers to someone who is overly emotional or excitable. If you are looking for synonyms to describe someone who acts in this manner, there are several options available. Some examples include hothead, drama queen, hot-blooded, fiery, passionate, or volatile. Other options could include excitable, animated, fervent, hyperactive, manic, or restless. Ultimately, the word you choose to describe someone who is overly emotional may depend on the context and situation. However, all of these words can be used to convey the same idea as screaming meemy.