Historical clue formulations

• Like some moussed hair — 2017-02-02
• Like some punk rockers' hair — 2015-01-07
• Like some punk hairstyles — 2012-01-27
• Sharply irritating — 2009-01-17
• Like Bart Simpson's hair — 2008-12-07
• Like some punk hairdos — 1998-10-02
• Acerbic — 1994-03-15