A state of mind, where deep but incoherent thought comes wordlessly. A lonely mental abstraction; not necessarily gloomy but often so. When you emerge from a brown study it is often difficult to remember what you have been thinking about.
Amanda looked out at the rain and the leaden sky. She was alone. At times like this she was prone to quote melancholy poetry and then fall into a brown study.
A British term used to rebuke a small boy who takes favours and presents for granted without giving appropriate thanks: also used after other discourtesies. Usually used by his mother.
Lady Muck is the feminine equivalent.
Mother] Alex, say thank-you when I give you your sandwiches. Who do you think you are: Lord Muck?
Mother] Alice, don't just sit there like Lady Muck when you can see I need a hand with passing round the plates.
An objectionable or ineffective person who continually refers to their own aristocratic ancestry in order to gain social kudos. They do not see how boring this is. No-one knows (or cares) how truthful they are.
Oh, no, it's Jane the aristoprat: she's always going on about the fact that she's a direct descendent of William the Conqueror. Let's go.
A spiteful exchange between two enemies each of whom seeks to injure the other.
It can be physical or verbal.
After a boundary dispute the croquet game degenerated into a needle-match.
It was clear across the hotel dining room that Rebecca and Susan were part-way through a needle-match. And I knew who would win. Susan was no match for Rebecca, with her mental agility and mordant wit.