fash /fæʃ/verb 4noun 3adjective 1forms 4phrases 1 verb4 •(Scotland, Northern-England) To worry; to bother, annoy."I wouldn't fash masel' about them, miss. Them things be all wore out." — 1897 •(Scotland, Northern-England) To trouble oneself; to take pains. •(Nigeria, slang) To ignore or forget about someone or something. •(slang) To make something fascist. noun3 •(slang, disapproving) A fascist, a member of the far-right.The Butchers Here is an old Munich policeman — Wilhelm Frick with eyes like those of a fash. — 1945 •[in the plural] (slang, disapproving) The far-right, especially violent far-right demonstrators, collectively.Used to go down to London on bash-the-fash awaydays; turn up at National Front marches and give them a toeing. — 1996 •(Scotland, Northern-England) A worry; trouble; bother. adjective1 •(slang) Fashionable. formsfashed · fashin · fashing · fashes Phrases with fash fash one's thumbTo bother oneself; to worry about something.