i think it means a ton or a lot (it is really heavy)
totally
Well, maybe its a different way of saying "kill two birds with one stone"...
A stone is a measure of weight used in the British Isles. Twenty one stones is about 133.356 kilograms.
A twenty stone is a unit of measurement commonly used in the UK and Ireland to measure a person's weight. One stone is equal to 14 pounds, so twenty stone is equivalent to 280 pounds.
Perhaps you mean catch-22. This is a phrase derived from a novel of that name: http://en.wikipedia.org/wiki/Catch-22
In the North East of England clem = stone as in he is a big lasd he must be twenty clem
127.006 kilograms
A stone's throw is a short distance that can be easily covered by throwing a stone. The phrase is often used figuratively to mean a very short distance.
Exactly is stone house; is a phrase traditionally used at weddings, meaning a family united, strong as a stone, happy.
It means something is definite and may not change - like a plan for example: "I am going to spend my next vacation in Brazil and this is already set in stone."
There are 287 pounds in 20.5 stone.... there are 14 pounds in every stone :-)
The phrase "twenty past ten" refers to the time 10:20. It indicates that it is twenty minutes after ten o'clock.