The phrase "get cracking" means to start working. However, there are several antonyms for this phrase that can be used to describe the opposite action. Among the antonyms of "get cracking" are "procrastinate," which means to delay or put off work, "lounge," which means to relax or do nothing, "idle," which means to be inactive, and "loiter," which means to linger aimlessly. Other antonyms include "hesitate," which means to be hesitant or indecisive, "retreat," which means to withdraw or back down, and "hesitate," which means to delay or be slow in taking action. Using these antonyms, one can describe the opposite of getting cracking on a task.