Disrespectful or impudent; See examples of sassy used in a sentence. Definition of sassy adjective in oxford advanced learner's dictionary.

The meaning of sassy is having or showing a rude lack of respect : How to use sassy in a sentence. If an older person describes a younger person as sassy, they mean that they are disrespectful in a lively, confident way. Confidence & self-assurance (definition of sassy from the cambridge advanced learner's dictionary & thesaurus Β© cambridge university press)