What is the meaning of plastic attitude?

Answer 1

It's an attitude that you're like when in front of a certain individual, you are good to him and treat him as a good friend, but when you're not with him/her, you say negative things against him/her. It's similar to being a "Snake" or a "Traitor"

Answer 2

A "plastic attitude" refers to being adaptable or flexible in one's thinking or behavior. It suggests the ability to easily adjust to new situations or challenges, like how plastic can be molded into different shapes.