Stereotype:
"Simplified and standardized conception or image invested with special meaning and held in common by members of a group"
"A too-simple and therefore distorted image of a group, such as “Football players are stupid”
"Generalization, usually exaggerated or oversimplified and often offensive, that is used to describe or distinguish a group."http://dictionary.reference.com/browse/stereotypeEXAMPLE: The country I live in is stereotyped as lazy etc.
Hope that clears it up for you!!