You say 'libtards' or 'contards' in a serious conversation.
You think there are only two political parties in the U.S.
You blame the 'other' party for anything that goes wrong.
You have the delusion that everyone (or most of them) in the 'other' party really believes that everything bad in the world is your party's fault.
Your arguments are filled with phrases such as "those damn Republicans", "those bleeding-heart liberals", "those lying Democrats", "those stupid conservatives", etc.
You think Rush is right.
You think all Republicans think Rush is right.
You believe there are no corrupt politicians in 'your' party.
You disinherited your son because he registered Democrat.
You cried and prayed for your son's soul because he registered Republican.
You call conservatives 'fascist'.
You call liberals 'communist'.
You can't have a discussion without it turning political.