The term "got through head" can imply understanding or comprehension, and some antonyms for this phrase could denote confusion, difficulty or lack of comprehension. Some possible antonyms for "got through head" include "didn't click," "didn't sink in," "went over my head," "was lost on me," "misunderstood," "didn't grasp," "didn't comprehend," "didn't make sense," or "was beyond my grasp." These phrases can all convey a lack of understanding or confusion and can be used in different contexts. Overall, understanding the right antonym of a phrase is important to communicate effectively and avoid confusion.