Well guys each country has a rasist jokes. Amerika is not exlusion. For example we in Russia has joke like this:
Russian black people are so severe, that they have white slaves.
And of course people have joke on every difference in sex, age, or profession of counterpart. For example we in russia has a serial jokes on evry kind of people:
Russian men are so severe, that they feel cold in sauna
Russian men are so severe, that Chuck Norris identified himself as a Russian man
Russian system administrators are so severe, that users prefer to use counting-frame
Russian system administrators are so severe, that they clench twisted-pair cable with fingernails
Russian programmers are so severe, that they use only hex-editor to write programm code
Russian traffic cops are so severe, that nobody drive in Russia
Russian intravenous drug abusers are so severe, that instead of syringe they use dropping bottles
Russian combiners are so severe, that mow down forest
Russian parents are so severe, that force their children to watch Teletubbies until 18 years old
Russian communists are so severe, that they celebrate Lenin`s birthday everyday
Russian dairymaids are so severe, that Russian bulls hide oneself into the forest
Russian barbers are so severe, that their customers put steel helmets before visit to barber-shop
Russian proctologists are so sever, that hemorrhoids in Russia is considered as fatal disease
Russian Satanists are so severe, that The Satan afraid of appear in front of them
Russian flooders are so severe, that they ban system administrators
Russian terrorists are so severe, that impatiently blow up their own homes
Russian RAPers are so severe, that appear on stage of corporate parties of Ku Klux Klan
Russian gays are so severe, that do not use cosmetics and they are terrific womanizers
Russian virgins are so severe, that they are really virgins!
Russian schoolboys are so severe, that principal gives to them his pin money
It means each people joke on himself. Love you.