yarbles /ˈjɑː(ɹ)bəlz/noun 4exclamation 1forms 1 noun[usually plural]4 •(slang, vulgar) Testicles."Come and get one in the yarbles, if you have any yarbles, you eunuch jelly, thou." — 1962 •(slang, vulgar) Nonsense; something of unacceptably poor quality.Well, my droogs, this is a load of yarbles. Right now at New World Stages, a risible British adaptation of A Clockwork Orange is doing a bit of the old ultraviolence to its audience. — 2017 •(slang, vulgar) Information that is false or otherwise misleading. •(vulgar, figurative) Courage, fortitude, or machismo. exclamation1 •(informal, vulgar) Expressing disgust, annoyance, frustration, or disapproval."Oh, yarbles," Micky whispered. "This really is a bitch, isn't it?" — 1999 formsyarble