hell week noun a period of extreme harassment, especially of new recruits to a college fraternity by their older fraternity brothers US, 1930
Had it really been eighteen years–Christ, half his life!–since Nelson Schwab had cornered him during Hell Week at the Deke House to impart the privileged information that “Puff” was really an underground parable about–no shit–smoking marijuana? — Armistead Maupin, FurtherTalesoftheCity, p. 38, 1982