premise: The student filed a sexual harassment complaint against McHugh, who admitted to showing his hernia scar but insisted that the full Monty was accidental.
hypothesis: Professor McHugh liked to show off his hernia scar while regaling his students with stories from his time in the army-- or at least he did until his trousers fell off one day and caused him to inadvertently flash the "full Monty" at a handful of students.