Tom Jackson is quite posh.

Ziri took Rima to a posh restaurant.

Tom's a bit posh.

Tom's house is quite posh.

She went to a posh school.

She had a posh accent, an expensive private education, and a wardrobe full of preppy clothes.

Tom is quite posh.

Sidi Yahia is a posh downtown neighborhood located in Algiers.

He's a posh toff.

When I worked for the software firm Radical Entertainment Inc. in posh Yaletown in Vancouver, BC, there was a strange mestizo Macanese coworker there, who brought a bird in a cage to the office.