The rigidity of the corpse was excessive; after about two hours and a half it was stiff as a board.
1981 December 12, Andrea F. Loewenstein, “Gay Theatre Verité”, in Gay Community News, volume 9, number 21, page 10:
His stiff-as-a-board tranditionally [sic] masculine good looks and constrained, stiff-upper lipped portrayal of Ed was a wonderful contrast to Fierstein's androgonous [sic], physically mobile Arnold.