The phrase "hath a looksee" is not an actual word, but a commonly used idiom that means to take a quick look or glance. Therefore, there cannot be antonyms for this phrase, as antonyms are opposites of a specific word. However, some possible alternatives for "hath a looksee" could be to scrutinize, inspect, investigate, analyze, or examine thoroughly. These words have different meanings and connotations from "hath a looksee," as they all imply a more intense and focused process of observing or studying something.