One who overacts on a consistant basis. However, they believe they are putting forth a stellar performance. This is often seen by (over) actors who play similar characters from movie to movie (ie, Julia Roberts, Jennifer Aniston, Greg Kinnear, and Ben Affleck).
"Hello my name is Keanu Reeves and I am an OVERACTOR. Whoa!"
by April M. B. July 29, 2007