informal

something that you say when someone has just told you about a surprising fact or idea that you have never heard before.

And you eat cheese and peanut butter together? That's a new one on me!

• make a big thing out of something
• make a case for
• make a case for doing something
• make a case for something
• make a clean breast of it
• make a [day/night/weekend etc.] of it
• make a day of it
• make a dent in
• make a dent in something
• make a difference
• make a face
• make a face at
• make a face at someone
• make a face at something
• make a fast buck
• make a federal case of
• make a federal case of something
• make a federal case out of
• make a federal case out of something
• make a fool of
• make a fool of yourself
• make a good fist of
• make a good fist of doing something
• make a good fist of something
• make a great play of