Where Does Chomping at the Bit Come from?

It's champing at the bit, not chomping at the bit.
This phrase (or idiom) comes from the sport of kings: horse racing. A bit is part of the apparatus that goes in the horse's mouth and connects to the bridle and reins so the horse can be controlled and directed by the jockey on its back.

What is the meaning of chomping at the bit?

: waiting in an impatient way to do something We've all been champing at the bit to get started on the project. The team was chomping at the bit for their chance to play the defending champions.

Is it champing at the bit or chomping at the bit?

The original phrase is, indeed, champing at the bit, but chomping at the bit emerged in America in the 1930s according to the Oxford English Dictionary and chomp has overtaken champ in common use.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.