The phrase "grooving on" refers to a positive feeling or experience. Antonyms for "grooving on" would be words that convey negative feelings or experiences. These antonyms could include terms such as disliking, despising, detesting, loathing, hating, or abhorring. These words generally convey a strong sense of negativity or repulsion, which is contrary to the positive connotations of "grooving on". When someone is "grooving on" something, they are enjoying it or feeling good about it. But when they dislike or detest something, they usually feel unhappy or displeased with it. Therefore, antonyms for "grooving on" reflect a range of negative emotions and experiences.