stones UK /stəʊnz/US /stoʊnz/noun 2phrases 2 noun2 •(slang) Testicles; balls. •(slang) Courage. Phrases with stones sticks and stonesany obsolete technology (usually of military and law enforcement purposes) when used in comparison to state of the art technology used by the antagonists or competitors. throw stonesTo insult or criticize someone or something.