Some common stereotypes:
+ Americans are all loud, fat and obnoxious.
+ British people are all snobs and have bad teeth.
+ French people are all frog-eating, onion-lovers called Pierre.
+ Jews are all money-grabbing masterminds trying to take over the world.
+ Irish people are all alcoholics who love scoffing potatoes and beating up their peers.
+ Muslims are all out to kill "civilised people" by blowing themselves up by plane, bus or train.
+ Goths are morbid, suicidal and listen to shitty bands with names like "Anal c***."
+ Emo kids all cry and write love poems sitting under trees in the rain, letting their mascara and eyeliner drip down their faces so everyone knows that their face was wet.
+ Chavs are all loud, anti-social thugs who all live on council estates, wear fake burberry, baseball caps, steal scooters and cars and anything else they can get away with.