throw a monkey wrench in(to) (something)

(redirected from throwing a monkey wrench into)

throw a monkey wrench in(to) (something)

To disrupt, foil, or cause problems to a plan, activity, or project. Primarily heard in US. We had everything in line for the party, but having the caterer cancel on us at the last minute really threw a monkey wrench into our plans! It'll really throw a monkey wrench in the works if the board decides not to increase our funding for this project.
See also: monkey, throw, wrench

throw a monkey wrench into

Sabotage or frustrate a project or plans, as in The boss threw a monkey wrench into our plans when he said we'd have to work Saturday. This transfer of industrial sabotage-that is, throwing a tool inside machinery-to other subjects dates from the early 1900s.
See also: monkey, throw, wrench
References in periodicals archive ?
The state's NEA affiliate is the biggest or second-biggest PAC in terms of giving in every election and they are always throwing a monkey wrench into things.
Throwing a monkey wrench into the mix, however, is the fact that this collection of pessimistic positions accounts for more than 10 percent of the stock's total float.