Historical clue formulations

• More spicy — 2018-07-26
• More risqué — 2015-06-02
• Less likely to be G-rated — 2014-11-12
• More likely to be bowdlerized — 2012-05-12
• More risqué — 2010-06-07
• Like R versus PG-13 — 2003-04-25
• Not as proper — 2000-01-02
• More suggestive — 1995-01-08