He's a musical genius, and that's not a term I use loosely,

"A house does not need a wife any more than it needs a husband." (on the term "housewife")

If I could explain golf, I'd be a genius,

I hate when people use this term, but Matt Weiner is a genius.

Some areas are loosely defined.

It is somewhat remarkable that Cornwall has produced no musical genius of any note, and yet the Cornishman is akin to the Welshman and the Irishman.