Tom speaks French with a posh accent.

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

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.

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

Tom's house is quite posh.

She went to a posh school.

Tom Jackson is quite posh.

Tom is quite posh.

Don't you like him?" "He's posh." "He's not posh! He's just got nice hair and good diction!"