A problem that makes a flawless plan or machine go wrong, as though one were throwing a wrench inbetween a perfectly set pair of gears.
We had the perfect plan for today, but when the homeless man slashed my van's tires, he threw a wrench in the system.
by C. Suba September 12, 2006
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A wrench in the system • Threw a wrench in his shit • take a wrench out of the oven • Smoking a wrench • throw a wrench • Hit it with a wrench • Threw a monkey wrench into the clockworks • Fuck me sideways with a monkey wrench • Fuck me sideways running backwards with a monkey wrench • Monkey Wrench with a twist