The initial idioms of the letter F

faff around	fag hag
fag out	fag someone out
fag-bashing	fag-busting
fagged out	faggot
fag	fail
fail the smell test	fail at life
fall at the final hurdle	fall at the first hurdle
fail in	fail on
fail out	fail to see
failed	failing
fail of success	failure
failure to thrive	faint dead away
faint from	Faint heart never won fair lady
faint of heart	faint
fair	fair and square