cherries and blueberries
n.pl.— «“What is cherries and blueberries?” “it refers to the red and blue lights (cherries=red, blueberries=blue).”» —“Slang name you can’t stand?” by bdunndchi in Indiana Police Forums & Law Enforcement Forums @ Officer.com July 14, 2007. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
For rock climbers, skiers, and other outdoor enthusiasts, the word send has taken on a whole new meaning. You might cheer on a fellow snowboarder with Send it, bro! — and being sendy is a really great thing. Plus: a nostalgic trip to Willa...