Lomography is typically characterized by low quality pictures and odd lighting effects and other imperfections not normally seen in traditional photography. Its also usually a spontaneous style of photography. All this is what gives lomography its unique look and feel.
the original Lomography cameras were russian made and were first produced in 1984, this being the LOMO LC-A Compact Automat camera becoming the companies LOMO main activity. The company Holga make a 120mm toy camera in China which has a similar effect of low fidelity.
Further reading – http://www.lomography.com/