hard eight
n.— «Many kids programming networks are virtually sold out for the crucial holiday season, in particular for what is known as the “hard eight,” the eight weeks leading up to Christmas. “For fourth quarter, we are definitely sold out,” said Barbara Bekkedahl, exec VP-advertising sales for Fox Family Worldwide.» —“Kids TV market sees unexpected 4th quarter jump” by Wayne Friedman Advertising Age (2) Oct. 30, 2000. (source: Double-Tongued Dictionary)