sell down

verb3

1. •
   (UK) To become less by being sold.

   • Don't order any potato cakes for 3 days while what we have sells down.
2. •
   To reduce by selling.

   • Don't order any potato cakes for 3 days while we sell down our stocks., or
   • Don't order any potato cakes for 3 days while we sell our stocks down.
3. •
   To betray a person; to conspire against someone for personal gain.