"Shoot one's wad" is a colloquial expression that refers to the act of expending too much energy or resources too quickly, often resulting in failure. Several antonyms for this phrase include "pace oneself," "conserve resources," "measure out," and "hold back." These terms promote the idea of taking one's time, being strategic, and being mindful of what one has available to achieve their goals. Utilizing these antonyms can help individuals avoid burnout, make smarter decisions, and ultimately achieve success. Instead of rushing to the finish line, it may be more productive and sustainable to take calculated steps towards a desired outcome.