Over The Top

1. Surpassing a goal or quota. 2. Over the parapet of a military trench. 3. Extreme; outrageous.

Examples:

• The new salesmen are excellent; they were over the top within the first six months.
• This comedian's style goes over the top.

Origin: Mid-1900s (sense 1); World War I (sense 2); Late 1900s (sense 3)