Hold your horses!
hold your horses
Stop what you're doing (often because you are moving too quickly or thoughtlessly). Whoa, hold your horses—I never said a bad word about you to Izzie!
Hold your horses!and Hold your tater!
Fig. Inf. Wait! Tom: Let's go! Let's go! Mary: Hold your horses. Hold your tater, now. Where did you say you are going?
See also: hold