run away with
run away with {v.}
1a. To take quickly and secretly, especially without permission; steal.
A thief ran away with Grandma's silver teapot.
Syn.: MAKE OFF.
1b. To go away with; elope.
Mary said that if her parents wouldn't let her marry Phil, she would run away with him.
1c. To take hold of; seize.
The boys thought they saw a ghost in the old house last night; they let their imagination run away with them.
Compare: GET THE BETTER OF.
2. To be much better or more noticeable than others in; win easily.
Our team ran away with the game in the last half.
The fat comedian ran away with the TV show.
Compare: STEAL THE SHOW.
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Source: A Dictionary of American Idioms