Definition & Meaning of "with bells on"

What is the origin of the idiom "with bells on" and when to use it?

The exact origin of the phrase "with bells on" is uncertain, but it is thought to have originated in the United States in the early 20th century. The phrase likely emerged from the practice of adorning horses or carriages with jingling bells as a sign of celebration or special occasion. It can be used when someone is genuinely thrilled and ready to engage in a joyful celebration, attend a party, or participate in any event that promises enjoyment and excitement.