to be very successful, often in a way which means you make a lot of money.

When my second book was published I thought I'd really hit the jackpot.

• a false dawn
• a false economy
• a false start
• a family man
• a far cry from
• a far cry from something
• a fashion victim
• a fast talker
• a fast track
• a fat cat
• a fate worse than death
• a fat lot of good
• a fat lot of use
• a faux pas
• a favourite son
• a feather in cap
• a feather in someone's cap
• a feather in your cap
• a feeding frenzy
• a feel for
• a feel for something
• a femme fatale
• a fender bender
• a few fries short of a Happy Meal
• a fifth wheel