1. A mediocre or incompetent actor, especially one who overacts or performs in a crude, exaggerated manner.
Usage: informal; dated; chiefly theatrical slang

1. Of or relating to mediocre or exaggerated acting; amateurish or poorly performed.
Usage: informal; dated

Examples

• The old theater was full of hamfats who couldn't deliver a single line convincingly.
• His hamfat performance in the school play made the audience cringe.
• She accused the lead actor of being a hamfat for all his exaggerated gestures.
• The director fired the hamfat understudy after just one rehearsal.
• That was a hamfat attempt at Shakespeare if I ever saw one.