Idioms

I have probably posted it hundreds of times here at DF - "pedal to the metal". Here's an explanation if you don't know what I am talking about:

http://www.idiomsite.com/pedaltothe.htm

It is in the same league as "balls to the wall" which I have used but not here. Here is an explanation of that one:

http://www.idiomsite.com/ballstothe.htm

Check out this site for other classic idiomatic expressions.

Do you have one of your own that's not listed?

D'oh!