three-peat noun 1verb 1forms 3 noun1 •(US, slang) A third successive win.Jokić is going for a historic three-peat of MVPs and you would be hard pressed to bet against the Serbian winning the trophy for a third successive year. — 2023 verb1 •(US, slang) To win something three times consecutively. formsthree-peated · three-peating · three-peats