Deliberate exaggeration of action or emotion — not for realism, but comic or dramatic effect. Scorsese deploys this constantly in violence sequences.
The exaggeration of a movement, a look, or an emotional reaction — that is hyperbole in film. On set, it works like this: the actor takes an already strong emotion or action and pushes it beyond what is naturally possible. Not into the ridiculous, but into the striking. The head isn't just thrown back, it practically flies. The facial expression doesn't just contort in pain — the eyes practically bulge out. This is conscious stylization, and it works because the camera amplifies the audience's feeling, rather than distorting it.
In practice, this means for directing: You identify a scene where naturalism falls flat. A punch shown by the camera in a classic cut? Boring. The same punch, but with an exaggerated reaction, perhaps with a crash zoom, with sound design that works explosively — suddenly the scene has energy. Scorsese does this constantly in Goodfellas or Casino: the violence isn't realistic, it's ritualized. The exaggeration turns it into a statement rather than documentation. A guy doesn't just fall — he stumbles, contorts, his body language becomes language.
Important: Hyperbole needs control. It is not overacting. A weak actor becomes a clown if the hyperbole is not supported by the direction. You have to show the actor where the curve is — which emotion remains real, which part is exaggerated. In comedies, hyperbole works more easily because the audience understands the contract. In dramatic films, it is riskier, but all the more powerful when it lands. The exaggeration becomes the poetics of the moment.
Technically, you support this through editing, music, and camera movement. An exaggerated look needs a cut that isolates it, not hides it. An exaggerated movement needs the right focal point so it doesn't become frayed. In other words: hyperbole in editing is just as important as in front of the camera. You sharpen the exaggeration, you make it intentional.