FIX SOMEONE'S LITTLE RED WAGON

{v. phr.}, {informal} 1. (Said to a child as a threat) to administer a spanking. * /Stop that right away or I'll fix your (little red) wagon!/ 2. (Said of an adult) to thwart or frustrate another, to engineer his failure. * /If he sues me for slander, I will counter-sue him for malicious prosecution. That will fix his wagon!/