single

floor one could eat off: Idiom Meaning and Origin

flip out: Idiom Meaning and Origin

first up: Idiom Meaning and Origin

first of all: Idiom Meaning and Origin

finer things: Idiom Meaning and Origin

find another gear: Idiom Meaning and Origin

fact is: Idiom Meaning and Origin

every last: Idiom Meaning and Origin

end of: Idiom Meaning and Origin

eat one’s own dog food: Idiom Meaning and Origin

down on one’s uppers: Idiom Meaning and Origin

do up: Idiom Meaning and Origin