jump the track

Idioms  

1. Suddenly switch from one thought or activity to another. For example, Joe was describing his trip to Australia and, jumping the track, began complaining about the airline, or They couldn't decide on the next step and now the whole reorganization plan has jumped the track. This expression alludes to a train going off the rails. [Colloquial; early 1900s]

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Example Sentences

Brissett has settled in after an emotional, shaky opener at Carolina, an outing that had Browns fans worried this season might jump the track.

From Seattle Times • Sep. 23, 2022

Then when we jump the track and try to be more independent, more purist, less tied to the establishment, we start getting our propane gas turned off.

From Salon • Sep. 30, 2012

I bow humbly to your practiced use of almost an industrial idiom, but, never did I expect you to jump the track when confronted with a commuter electric line like the C.A.

From Time Magazine Archive

"What if we should jump the track in here?" suddenly suggested Ned.

From The Pony Rider Boys in the Ozarks Or, the Secret of Ruby Mountain by Patchin, Frank Gee

If the outer rail is super-elevated slightly, there will be less tendency for the rolling stock to jump the track when rounding the curve.

From Things To Make by Williams, Archibald