Juul /d͡ʒuːl/noun 1verb 1forms 3 noun1 •A particular electronic cigarette of this type.While adolescents are canny enough to hide their Juuls from you, they don't really believe that vaping is harmful. — 2018 verb1 •To smoke a Juul.I took my tween to a concert last month at the state fair in Minnesota, and we were possibly the only two people in the crowd near the stage who weren't Juuling. — 2019 formsJuuled · Juuling · Juuls
