- The definition of a priss is a spoiled or uptight person who thinks they is too good for everyone or everything.
An example of a priss is a girl who wears a party dress to a picnic and who refuses to get dirty.
- (informal) A prissy person
(third-person singular simple present prisss, present participle prissing, simple past and past participle prissed)
Back-formation from prissy (analyzed as priss + -y (“(manner)”)), noun attested 1923.