Top and bottom of something?

[bartholomew]

He doesn't think small town folk are good enough. He's got an edge, that's the top and bottom of it.

I do not understand what an edge is either.

Thanx

[woofgang]

Sounds like a post modernist rendition of "He's got a chip on his shoulder", meaning someone harbouring a resentment and ready to fight either verbally or physically over it