shiv /ʃɪv/noun 2verb 2forms 5 noun2 •(slang) A knife, especially a makeshift one fashioned from something not normally used as a weapon (like a plastic spoon or a toothbrush). •A particular woody by-product of processing flax or hemp. verb2 •(slang) To stab (someone) with a shiv.Anyway, that's how Jimmie came to be shivved and left to bleed out in the shower. — 2016 •(slang) To stab (someone) with anything not normally used as a stabbing weapon. formsshived · shivved · shiving · shivving · shivs