big one

American  

noun

Slang.

1. a one-thousand-dollar bill or the sum of one thousand dollars.

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Etymology

Origin of big one

First recorded in 1955–60

Example Sentences

The catch, and it’s a big one, is that the show is entirely written by artificial intelligence.

From Salon • Mar. 26, 2026

I think it was just about Manchester City winning trophies, which is what they've done so regularly recently - and this is another big one.

From BBC • Mar. 22, 2026

The answer to such a looming emergency, however, isn’t to sit out every fight until the big one.

From The Wall Street Journal • Mar. 8, 2026

Presidio differs from most small-cap energy companies, which tend to have a wildcatter mentality—drill somewhere new and try to hit the big one.

From Barron's • Mar. 5, 2026

And he wore a button, a big one.

From "Crash" by Jerry Spinelli