Definition of pack something out in English:

pack something out

phrasal verb

North american
  • Carry something away rather than leaving it behind (used especially with respect to refuse at remote campsites)

    ‘pack out any garbage you have left’
    • ‘Littering is littering no matter how grand the adventure, and the code holds true for everyone: Pack it in, pack it out.’
    • ‘There is an old saying in camping: if you pack it in, pack it out.’
    • ‘Family rafting adventures include a stop for a hot lunch on a pristine beach, where the ‘pack it in, pack it out’ philosophy is strictly enforced.’