priss /pɹɪs/noun 1verb 1forms 3phrases 1 noun1 •(informal) A prissy personRobin: Have you ever been in love? / Steve: Yep. Nancy Wheeler. First semester, senior year. / Robin: Oh my God. She's such a priss. — 2019 verb1 •To dress or behave in a prissy manner formsprissed · prissing · prisses Phrases with priss priss aroundTo act in a prissy manner.