An established(ie: long used) term referring to WW2
vets, however, it was self given(I think..) and is generally used in one of two ways...
1)arrogantly, often something
along the lines of the first definition for this word(^)
2)by pacifists who wish to not seem that way or who wish to not be thought of as
ungrateful
"Hey! We're the Greatest Generation you
hippie punks!"
"What sacrifices, they
truely are the greatest generation..."