walk off with

verb3

1. •
   To steal, especially by surreptitiously removing an unguarded item.

   • While Mike Donovan was engaged in his contest with Paul, his companion had quietly walked off with the shirt. — 1871
2. •
   To win, as in a contest and especially without significant effort.

   • Last week in Cleveland, Harry Hopman's Aussies walked off with tennis' top trophy, the Davis Cup. — 1964
3. •
   To make the strongest favorable impression in a theatrical or similar performance, in comparison to other performers.

   • But kindliness does not prevent elegant Actor Woolley from walking off with the picture against the trying competition of six scene-stealing children. — 1942