Pronunciation: [kˈɪk ˌʌp hˈiːlz] (IPA) 
The phrase "kick up heels" is often used to describe dancing or having a good time. The pronunciation is /kɪk ʌp hilz/. "Kick" is pronounced with a short "i" sound followed by a hard "k" sound, while "up" is pronounced with a short "u" sound and a "p" sound. "Heels" is pronounced with a long "e" sound followed by a "z" sound. This phrase may have originated from horses kicking up their heels when they are happy and playful.
The idiom "kick up one's heels" refers to an individual engaging in light-hearted, exuberant, and playful behavior. It typically connotes a sense of freedom, joy, and abandonment of inhibitions, as if one were joyfully dancing or frolicking around. This idiomatic expression can be used to describe someone's carefree and uninhibited attitude and behavior.
The term has its origins in the movement and behavior of horses when they excitedly make sudden upward leaps known as "kicking up their heels." In the context of human behavior, it implies a similar attitude of unbridled enthusiasm and enjoyment of life, often indicated by physical actions such as jumping, dancing, or engaging in exuberant activities.
To kick up one's heels is to revel in the moment, casting away worries or constraints, and allowing oneself to fully embrace the present. It suggests a temporary departure from the responsibilities, expectations, or routine of everyday life. This idiomatic phrase can be used to denote celebrating a special occasion, expressing happiness or relief, or simply enjoying life to its fullest.
Overall, "kicking up one's heels" captures the idea of unapologetically abandoning restraint and embracing a carefree, spirited, and joyful approach to life, akin to a horse merrily leaping and kicking its hind legs in the air.
