Related Clues:

• Play a role none too subtly
• Be over the top, while acting
• Act big?
• Act unprofessionally?
• Get overtheatrical
• Go over the top on Broadway
• Act the drama queen
• Act unprofessionally
• Mug, e.g.
• Get all histrionic
• Play act
• Be hammy
• Play to the back of the audience
• Steal the scene, say
• Act amateurishly