Teenagers' language

Today, teenagers use a language which is very different of their parents. Personnaly, I use this language when I am with my friends. But, my parents can be irritated when I speek like this because they don't understand anything that's why I use a normal language with them.But, sometimes I speek to them wiyh teenagers' language and it's funny because they don't understand anything.My parents can be irritated because I use words like "keuf" and "zarbi".