big bucks

plural noun

Slang.

1. a large amount of money.

big bucks

plural noun

1. large quantities of money

2. the power and influence of people or organizations that control large quantities of money

Idioms and Phrases

A great deal of money, as in A swimming pool—that means you're spending big bucks. Buck has been slang for “dollar” since the mid-1800s. [Slang; second half of 1900s]