Genre of rock music that regards manly qualities, but does so in a white trash fashion. Common lyrical topics include women as second class citizens, possession of facial hair, use of power tools, alcohol, and so on.
Dude! Did you hear Metallica's new album. That's some great f***ing man-core!
The feeling of companionship that is felt between those riding in canoe together. High fives are commonly attributed to this condition.
I think that there would have been been more canoe comradery between us if we'd had some beer...