Actorbation; (n) When an actor performs a monologue or scene so over-indulgently that you can almost see his hand stroking his quickly growing ego. Actorbation often causes a severe decrease in the tempo of a scene.
(v): to actorbate
"Wasn't Mark just amazing as Romeo last night?"
"Are you kidding me? Mark's incessant actorbation beat the crap out of the whole show! He must have added at least a half hour to the first act alone!"