The phrase "had vibes" refers to a feeling or impression one experiences about a person or situation. Some possible antonyms for this phrase include "had reservations," "had doubts," "had misgivings," or "had negative feelings." These words suggest a feeling of uncertainty or unease, rather than a positive or welcoming vibe. Conversely, antonyms for "had vibes" that connote positive feelings could include "had a good impression," "had a positive feeling," or "had good vibes." Ultimately, the choice of antonym would depend on the context and the emotion or attitude one wishes to convey.