Possibly adapted from "bet dollars to buttons" and "bet dollars to dumplings" that appeared in the 1880s, meaning "to feel almost certain" because the dollars are bet against something nearly worthless and perhaps shaped like a zero.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.