drive a coach and horses through (something)

British

if someone drives a coach and horses through a rule, an opinion, a plan, or a tradition, they destroy it by doing something against it which it is too weak to prevent.

His company drove a coach and horses through employment legislation.

She produced statistics which drove a coach and horses through the chairman's argument.

• the end of the line
• the end of the road
• the eye of the storm
• the factory floor
• the facts of life
• the fag-end of
• the fag-end of something
• the fairer sex
• the fair sex
• the fat is in the fire
• the feathers fly
• the final curtain
• the final straw
• the fine print
• the [first/highest/next etc.] rung on the ladder
• the first rung on the ladder
• the first string
• the first thing
• the first thing in the morning
• the flavour of the month
• the four corners of the earth
• the four corners of the world
• the ... from hell
• the front office
• the fruit of loins