It routes from the word "Cop". It's pretty much like when a cop frisks you, they are touching you without consent. So when someone cops a feel they simpily feel someone up with out consent. The urban version only implies the feeling of genitalia and breast regions. It usually happens in crowded areas.
I'm going to cop a feel at this rave and get a handful of tiggle bitties from some broad
Used to describe First Nations People in an offensive way. In the days of colonialism when colonies such as Spain France and the United Kingdom migrated to North and Central American they conflicted with the Native peoples which resulted with teh Natives burning the mirgating colonies wagons to cut off their supplies.