Idiom: "Champing/chomping at the bit" means being impatient (usually) while awaiting for an event to get started. In actual use: "champing at the bit is what racehorses do while awaiting the start of a race. Champing has been spelled 'chomping' in many cases.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.