"Him" is a pronoun that is used to refer to a male person or animal that has already been mentioned or is known to both the speaker and the listener. In the context of the given clue "To Know ___ Is to Love ___" (1958 #1 song), "him" would likely refer to a specific male individual mentioned or implied in the song.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: This guy!. Explanations are generated by AI and may be inaccurate.