An Englishman, an Aussie and a South African are in a bar one night, having a beer.
All of a sudden the South African downs his beer, throws his glass in the air, pulls out a gun and shoots the glass to pieces and says:
"In Saith Efrika our glasses are so cheap that we don't need to drink from the same one twice."
The Aussie, obviously impressed by this, drinks his beer, throws his glass into the air, pulls out his gun and shoots the glass to pieces and says:
"Well mate, in Straaaaalia we have so much sand to make the glasses, that we don't need to drink out of the same glass twice either."
The Englishman, cool as a cucumber, picks up his beer and drinks it, throws his glass into the air, pulls out his gun, shoots the South African and the Australian and then says:
"In London we have so many f**king South Africans and Australians that we don't need to drink with the same ones twice"