That's a whole nother problem we need to solve.

I ate one apple; my sister ate nother.

When I offered him tea or coffee, he replied, 'nother'.

Nother of the two proposals satisfied the committee's requirements.

After finishing one slice, he asked for 'nother piece of cake.

Fixing the leak was one problem, but dealing with the insurance was a whole 'nother headache.

After tasting that soup, I realized it was a whole nother recipe than the one my grandmother used.