Prissy often carries a negative tone, suggesting annoyance or irritation with someone's behavior. Don't be so prissy; just sit anywhere and enjoy the picnic.
Pro Tip 2/3
Superior Attitude
Use 'prissy' to describe someone acting with an air of superiority because of prim or precise behavior. Her prissy attitude at the casual gathering made everyone uncomfortable.
Pro Tip 3/3
Formality Mismatch
Using 'prissy' implies a person's overly formal behavior doesn't match the informal setting. He seemed so prissy, insisting on using full cutlery at a fast-food restaurant.