wait a minute
• used as a request to delay an action or decision for a short time.
• "wait a minute—I have to put my make-up on"
Similar:
be patient,
wait a moment/second,
just a moment/minute/second,
hold on,
hang on,
hang about,
hold your horses,
• used as a prelude to a query or objection.
• "wait a minute—that just isn't true"