brog /bɹɒɡ/noun 1verb 1forms 3 noun1 •(no longer used) A pointed instrument, such as a joiner's awl. verb1 •(no longer used) To prod with a pointed instrument, such as a lance; to prick or pierce.the stony-hearted villains were brogging them on wi' their lances! — 1820 formsbrogged · brogging · brogs