wally /ˈwɒli/noun 2verb 1forms 1 noun2 •(UK, slang) a fool, a silly or stupid person'Don't be such a wally,' Ruby said. 'Felicity is way smarter than you could ever hope to be.' — 2014 •(informal) A large pickled gherkin or cucumber.Mushy peas (£1.40) are ... mushy, and wallies (45p) – pickled gherkins to you – come sliced and prettily served in the shape of a flower. — 2003 verb1 •(informal, no longer used) Alternative pronunciation (and hence spelling) of valueLet them that wallys the sheep watch 'em. — 1880 formswallies