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You jump the gun when you start doing something before the appropriate time.
Sorry I jumped the gun by telling Carol the news before checking with you
by Domingo Mihovilovic October 19, 2007
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Jul 1 Word of the Day
sending two texts in a row without a reply inbetween.
Rachel: whats up?
Tessa: not to much! hbu?
Tessa: dude, i'm so bored.
Rachel: stop double texting me.
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