thumby /ˈθʌmi/adjective 2noun 1forms 3 adjective2 •Dirtied by thumb marks.He would distinguish, too, between a library and a news-room, and would find no great attraction in the prospect of supplying the national youth with free but thumby copies of the sixpenny magazines. — 1914 •Clumsy, awkward, maladroit, not dextrous, all thumbs."Well, I don't tease anybody but the men. I don't tease father or mother or you,—but men are fair game; they are such thumby, blundering creatures, and we can confuse them so." — 1896 noun1 •(slang) A little thumb; diminutive term for thumb. formsthumbies · thumbier · thumbiest
