The term 'overly theatrical' can be described by the crossword solutions of 'HAMMY', 'CAMP', 'STAGY', and 'CAMPY'. 'HAMMY' is an adjective used to describe someone who is overly dramatic or melodramatic in their performance. 'CAMP' is a style of performance that is exaggerated and often humorous. 'STAGY' is an adjective used to describe something that is overly theatrical or artificial. Finally, 'CAMPY' is an adjective used to describe something that is exaggerated and often humorous, similar to the definition of 'CAMP'. All of these words together describe someone or something that is overly theatrical.