go for the fences

go for the fences

To put forth one's maximum amount of effort or energy (into or toward something); to act or perform with great intensity or effort. The phrase alludes to baseball, where one would send the ball to "the fences" by hitting a home run. I wasn't sure about their state-appointed lawyer at first, but I was well impressed when he went for the fences on day one of the trial.
See also: fence, go

go for the fences

in. to set extremely high goals and do whatever is needed to meet them. (Alludes to attempting to hit a home run against the fences of a baseball stadium.) We are going to go for the fences on this one. Don’t hold back on anything.
See also: fence, go