1) Emote 2) Exaggerate 3) Hamup 4) Overact 1) Ham it up 2) Overact 3) Play 4) Playact 5) Roleplay 6) To play too frequently 
production of a television programme sequence in which the artists act their parts guided by the sounds which they have prerecorded, played through a loudspeaker
to exaggerate or overemphasize (one's role in a play, an emotion, an effect, etc.): The young actor overplayed Hamlet shamelessly. The director of the movie had overplayed the pathos. · to put too much stress on the value or importance of: A charitable biographer had overplayed the man's piety and benevolence. · to overestimate th...