Vege out is a colloquial term that is often used to describe the activity of relaxing or idling in a vegetative state. There are several synonyms for this expression, including "zone out," "space out," "slack off," and "chill out," among others. Each of these terms carries a slightly different connotation, but all indicate a state of relaxation or disengagement from one's surroundings. Whichever term is used, it suggests that the individual is resting their mind and body and taking time to simply be. So whether you "vege out" or "zone out," the important thing is to take some time to unwind and recharge.