Rudest

I don't like running down members of the staff, but he's the rudest man I've met.

Tom is the rudest person I've ever met.

Tom is the rudest man I've ever met.

Tom is one of the rudest guys I've ever met.

Tom is one of the rudest people I've ever met.

The most profane word and the rudest letter are the best, they're more educated than silence.

John smiled even as the rudest people came into the store.