diddy /ˈdɪdi/noun 3adjective 1forms 3 noun3 •(slang) A woman's breast.It’s what they call a roany bush. Well, it’s green now, but in a month’s time it’ll be as red as a fox’s diddy, and you wouldn’t know it for berries growing all over it. — 1911 •(UK, informal) A fool, a tit. •(UK, slang) A gypsy.Real Gypsies despise them and call them ' diddikais — dirty diddies,' and half the sins laid at their door have been committed by these diddikais. — 1943 adjective1 •(UK, informal) Very small, tiny.Me mither mend't me auld breeks, / But ay! but they were diddy — 1894 formsdiddies · diddier · diddiest
