burn (one's) boats

burn (one's) boats

To do something that cannot be easily undone or reversed in the future. Primarily heard in UK, Australia. I think you burned your boats when you announced you were quitting and proceeded to insult your boss in front of the whole staff. She's young, so I don't think she realizes that she'll be burning her boats if she goes to work for their competitor.
See also: boat, burn
Farlex Dictionary of Idioms.

burn your boats (or bridges)

commit yourself irrevocably.
In a military campaign, burning your boats or bridges would make escape or retreat impossible.
See also: boat, burn
Farlex Partner Idioms Dictionary
See also:
  • burn your boats
  • Gordon Bennett
  • let the genie out of the bottle
  • genie
  • crisp
  • be burnt to a crisp
  • soft fire makes sweet malt
  • burn through
  • burn through (something)