widdly /ˈwɪdəli/ adjective1 •(informal) Characterized by a lot of long fast guitar riffs25 November 2016, Malcolm Jack, Judas Priest review – a fans-only affair picks up in the final act in The Guardian The new material is largely a fans-only affair – anyone not entertained by widdly guitar solos would have been advised to bring a book for the likes of Halls of Valhalla.. formsmore widdly · most widdly