flog a dead pony

flog a dead pony

To continue to focus on some issue or topic that is no longer of any use or relevance. We've all moved on from that problem, so there's no use flogging a dead pony. OK, Tom, you've made your point. Let's not flog a dead pony.

See also: dead, flog, pony

Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.