The Clue The "O" of IMHO
The Answer OPINION
The clue "The 'O' of IMHO" refers to the acronym IMHO, which stands for "In My Humble Opinion." The letter "O" in this acronym stands for "Opinion." Therefore, the answer "OPINION" fits perfectly with the clue, as it directly represents what the "O" stands for in the phrase. This connection makes it clear and straightforward for anyone familiar with the acronym.