The antonym for the phrase "gives tip" might be "receives tip," as this would be the opposite action. However, there are other related antonyms that could also be used, depending on the context of the phrase. For example, if the tip refers to advice or guidance, the antonym might be "withholds advice," "ignores advice," or "misleads" instead of "gives." Alternatively, if the tip refers to a financial reward or gratuity, the opposite could be "takes back tip" or "refuses to tip." Understanding the context and intended meaning of the phrase can help identify the most appropriate antonym.