ham it up

ham it up  {v. phr.},  {slang}
To do more than look natural in acting a part; pretend too much; exaggerate.
When Tom told the teacher he was too sick to do homework, he really hammed it up.
The old-fashioned movies are funny to us because the players hammed it up.
Compare: LAY IT ON.
Categories: slang verb

'ham it up' on video