drop in tracks

drop in (one's) tracks

1. To die suddenly. Brett always seemed so healthy—I'm shocked that he dropped in his tracks at 55.
2. To collapse, as from over-exertion. I hardly remember the end of the marathon because I dropped in my tracks as soon as I crossed the finish line.
See also: drop, track
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

drop in one's tracks

 
1. to collapse from exhaustion. I was so tired, I dropped in my tracks. Kelly almost dropped in her tracks from overwork.
2. to die instantly. Finally, one day, he worked so hard that he dropped in his tracks. I know that someday I will just drop in my tracks.
See also: drop, track
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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