Over that matter of the mess jacket, I mean.

Of course, you have not got your full kit yet; but you will want a mess jacket and waistcoat.

He lit two candles, blew out the lamp, and throwing aside his mess jacket, yawned and stretched himself extensively.

He almost fell over the drinks cart that was being wheeled along by a low- browed man in a white mess jacket.

"Quite all right," the man in the white mess jacket said.

"You're all wrong about that mess jacket, Jeeves."