Denial is not accepting the ego-threatening truth. For example, Stan refuses to believe that he has just ran over a child although the evidence suggests otherwise.
I heard your parents are getting a divorce, how are you handling that?
th-what? Oh, yeah I don't really think about it, whatever
Projection is believing that the feeling someone has toward someone else are actually held by the other person and directed at oneself. For example, once the teacher scolds him for not doing his home work Kenny proceeds to tell her that nobody does their home work without having proof of such actions.
Reaction formation is expressing the opposite of how one truly feels. For example, although Clyde truly despises living in solidarity, he always tells himself otherwise.
Repression is pushing back thoughts out of conscious awareness. Once asked about her parents' divorce Ashley pretends not to know what her friend is talking about.
Displacement is redirecting one's feelings toward another person or object. After getting suspended from school Eric redirects his hate for the school system towards his brother's cellphone.
My school suspended me so now to compensate I must destroy my little brother's phone
Rationalization is coming up with a beneficial result of an undesirable occurrence. The murder of Brendon did not go unnoticed and Tom ended up in jail. However, Tom does not believe he deserves this punishment as Brendon was a criminal.
I shouldn't be here, for I killed a thief and thus have cleansed the world of evil