The term "ultimate joy" refers to a state of extreme happiness, contentment and satisfaction that is experienced when one achieves their goals or fulfills their desires. It's an intense feeling of elation and bliss that comes from within and fills the person with immense pleasure. Ultimate joy can be derived from various sources such as personal achievements, relationships, creative pursuits, spiritual experiences or simply by being in the moment and appreciating life's little pleasures. It is a state of mind where one feels completely at peace and free from worries, and it is something that everyone strives for in their lives.