Question

bottle out - John signed up for bungee jumping but he bottled out at the last minute.  - You can't bottle out now just because things are getting a little harder.

Accepted Answer

to not do what you wanted or promised to do (often because it was dangerous or difficult)

Phrasal Verb	bottle out
Definition	to not do what you wanted or promised to do (often because it was dangerous or difficult)
Examples	- John signed up for bungee jumping but he bottled out at the last minute. - You can't bottle out now just because things are getting a little harder.

Bottle Wanted Promised Dangerous Difficult John Signed Bungee