1. To describe ones face as being similar to that of a chachi.
2. A term to describe a person or thing as silly, annoying, frustrating, or the like.
3. A friendly insult.
4. A imaginary condition of the face.
"Aron you are such a chachi face."
"I went to the doctor and the test results were positive.. for chachi face."
"Hey, chachi face, pick a lane"