drub /dɹʌb/verb 4noun 1forms 3 verb4 •To beat (someone or something) with a stick. •To defeat someone soundly; to annihilate or crush. •To criticize harshly; to excoriate. •To forcefully teach something. noun1 •(dialect, Northern-England) Carbonaceous shale; small coal; slate, dross, or rubbish in coal. formsdrubbed · drubbing · drubs