Examples:

• If our friend was here, I think he got cold feet.
• One's got cold feet, and the other's dropped out of sight.
• Her cell is cold, she suffers from cold feet.
• Hey, it's a little late for cold feet.
• Yeah, he probably got cold feet when he heard your voice.
• Maybe the person got cold feet and sent the tape to us.
• Or did she get cold feet and want to make a deal?
• This isn't the time to get cold feet.
• I just hope you don't get cold feet again.
• I guess he got cold feet about putting himself on the line.