ˈheckum-ˈpeckum (See quot.) 1867F. Francis Angling vi. (1880) 251 The great trout fly for the lakes, known through all the South of Scotland as the Heckum Peckum.1886World 25 Aug. 9 The ‘Zulu’ and the ‘heckum-peckum’ are the only two flies for the loch.