English

Verb

sell down ‎(third-person singular simple present sells down, present participle selling down, simple past and past participle sold down)

1. (intransitive, Britain, business) To become less by being sold.

   Don't order any potato cakes for 3 days while what we have sells down.

2. (transitive, Britain, business) 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.

Etymology 2

Shortening of sell down the river

Verb

sell down ‎(third-person singular simple present sells down, present participle selling down, simple past and past participle sold down)

1. (idiomatic) To betray a person; to conspire against someone for personal gain.