Clubbed down | definition of clubbed down by Medical dictionary
a condition in chickens suffering from a nutritional deficiency of riboflavin: the erupting feathers do not rupture the feather sheaths properly, causing the feathers to have a coiled structure.
References in classic literature
They were clubbed down
and shot down to the last man by the guardians of the peace who were infuriated by what had been wreaked on their brethren.