hold/hang on a minute
idiomDefinition of hold/hang on a minute
informal
1
—used to tell someone to wait or to stop for a brief time "Aren't you finished yet?" "Hold on a minute. I'm almost done."Hang on a minute—I didn't hear you. Could you repeat what you said?
2
—used to express surprise or disbelief Hold on a minute! That's not what you said yesterday!