English World dictionary. V. Neufeldt. 2014.
jackroll — ☆ jackroll [jak′rōl΄ ] vt. Slang ROLL (vt. 14) jackroller n. * * * … Universalium
jackroll — jack·roll … English syllables
jackroll — ˈjaˌkrōl transitive verb Etymology: back formation from jackroller : roll 7 … Useful english dictionary