Also to be thought out during the rehabilitation is the fact that in his prior life as a lawyer, Henry was a very nasty customer.

From what I could find on their capabilities, they look like nasty customers.

Behind the man in black was a knot of just about the flashiest and nastiest customers, male or female, Joe had ever seen.

He looked as if he'd be a very nasty customer in a fight.

Now, it may be none of my concern, but ni'Tarth's a nasty customer.

He drinks and is by way of being rather a nasty customer.

Might be a nasty customer to tackle in certain circumstances.

"From what I hear, those raiders are pretty nasty customers."

"He was a pretty nasty customer in his day."

This one was supposed to be a nasty customer, by all accounts.