- foul up
- flummoxed
- fancy man
- fag ends
- fly off the handle
- full-bore
- fingerprint
- fag out
- farmyard
- filthy rich
- frore
- fuss and feathers
- fluoresce
- fillet
- free-spoken
- false accusation
- four hundred
- full of
- feart
- freakiness
- fantastically
- fvourable
- fed up
- full of common sense
- forbye
- fazed
- feature-lessness
- fed up to the back teeth
- forsooth
- flyblown
- fine kettle of fish
- faded
- fatuousness
- fomenter
- fawn
- furbelow
- flagging
- fornicate
- frighten someone out of their wits
- fathead
- fresco
- figure out
- fore
- flea in one's ear
- festal
- field of reference
- flavorous
- floored
- falling apart at the seams
- fortissimo
- folkie
- fagged out
- floohardy
- finagle
- flimflammer
- freeway
- full to the gunwales
- for aye
- false report
- find repellent
- flout at
- fair-to-middling
- filthiness
- foreshow
- foretoken
- fervency
- fingers and thumbs
- feel someone's collar
- flip one's lid
- fundament
- fighting fit
- frazzled
- forml essay
- froward
- fink
- foam at the mouth
- flack
- full of get-up-and-go
- flabbergasting
- foiled
- fit to drop
- four-square
- for naught
- full of vim and vigour
- feistiness
- foulness
- frazzle
- fluctuant
- fair-spoken
- fantasic
- fallen woman
- feel some-one's collar
- fat-headed
- frightfully
- fried
- fab
- fat-haded
- foaming at the mouth
- fabu-lous
- flimflam