sell down
verbEtymology Shortening of sell down the river
1
Idiomatic To betray a person; to conspire against someone for personal gain.
verb — 3 senses
Etymology From sell + down.
Etymology Shortening of sell down the river
Idiomatic To betray a person; to conspire against someone for personal gain.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.