Historical clue formulations

• "Enough already!" — 2017-04-23
• "Enough is enough!" — 2016-05-29
• "Stop!" — 2015-07-03
• "That's enough!" — 2012-09-29
• "Knock that off!" — 2010-05-18
• "Cut that out!" — 2009-11-30
• "Enough!" — 2007-12-15
• "Enough already!" — 2001-08-22
• "Stop bugging me!" — 1999-10-26
• "Enough already!" — 1997-11-07