jerkin UK /ˈd͡ʒɜː.kɪn/US /ˈd͡ʒɝ.kɪn/noun 2forms 1phrases 1 noun2 •A sleeveless jacket, usually leather; a long waistcoat.A tall and very good-looking kid in a jerkin came out of the store and rode the coupé off around the corner and came back walking, his glistening black hair plastered with rain. — 1939 •(historical) A type of men's garment popular in the sixteenth and seventeenth centuries: a close-fitting collarless jacket, with or without sleeves.[T]wenty yeomen, two and two, / In hosen black, and jerkins blue, / With falcons broider'd on each breast, / Attended on their lord's behest. — 1808 formsjerkins Phrases with jerkin jerkin the gherkinMasturbation.