tuck away

/T AH1 K AH0 W EY1/
verb
  1. 1

    To save or hoard (something); to hide (something) in a safe spot; to squirrel away.

    โ€œShe's been tucking away cash for a rainy day.โ€

  2. 2

    To be located in a remote, inaccessible or difficult-to-see spot.

    โ€œThe shop was tucked away behind a parking garage.โ€

  3. 3

    To eat a lot of (something).

Source: https://en.wiktionary.org/wiki/tuck%20away