Derogatory term for lazy, ignorant or all-together unintelligent Indians. Does not apply to all Indians, just individuals with the aforementioned attributes. In theory, anybody can be a Canman, the only true prerequisite is ignorance.
Factory Worker one: Hey Dave, a Canman stole my job today. The stupid bastard worked for half my salary.
Factory Worker two: Wow, that sucks. How's Marge gonna take it?
Factory Worker one: Not well, she loves their movies.