The phrase "vegged out" is often used to describe a state of relaxation or contentment, usually after a period of activity or stress. If you're looking for some synonyms for this phrase, some possible options include "zoned out," "spaced out," "chilled out," "unwound," "calmed down," or "unwound." Alternatively, you might describe yourself as being in a state of "blissed out," "mellowed out," "laid-back," or "lounging." Ultimately, the best synonym for "vegged out" will depend on the context and your personal preferences, so take some time to explore different options and find the one that best suits your particular mood or mental state.