a chocolate box place or thing is very attractive in a way that does not seem real.

We drove through a series of chocolate box villages on our way down to Brighton. (always before noun)

• force to be reckoned with
• for Christ's sake
• for crying out loud
• For crying out loud!
• foregone conclusion
• forelock-tugging
• forewarned is forearmed
• Forewarned is forearmed.
• forget about
• forget about it
• forget about something
• forget it
• forgive and forget
• for God's sake
• for good
• for good measure
• for goodness' sake
• for goodness sake
• for kicks
• fork over
• fork over something
• for love nor money
• for love or money
• for my money
• for my sins