over the top
Surpassing a goal or quota, as in The new salesmen are excellent; they were over the top within the first six months. [Mid-1900s]
Over the parapet of a military trench, as in The lieutenant sent fresh troops over the top. This usage dates from World War I.
Extreme, outrageous, as in This comedian's style goes over the top. [Slang; late 1900s]