Do you know what 'the bee's knees' means? Do you know the origin of 'raining cats and dogs'? How about the phrase 'paint the town red'? You can find answers to all these and much more on this site. You can find meanings and origins of hundreds of phrases. They also provide 'a phrase a week' facility – a phrase delivered to your inbox every week.
The Phrase Finder helps you find a phrase you are looking for. It's definitely raining phrases out there. Go ahead and make hay when the sun is shining.