cherries and blueberries
n.pl.β Β«βWhat is cherries and blueberries?” “it refers to the red and blue lights (cherries=red, blueberries=blue).”Β» ββSlang name you canβt stand?” by bdunndchi in Indiana Police Forums & Law Enforcement Forums @ Officer.com July 14, 2007. (source: Double-Tongued Dictionary)