Statements made in an explicitly joking manner are not puffery.
A little of both but more puffery than promise.
Statements in a contract may not be upheld if the court finds that the statements are subjective or promotional puffery.
They insert puffery and spin.
Her broadest claim, to have invented the mannequin, or live fashion model, was a blatant piece of self-puffery.
We know that in the case of advertising a certain amount of what is technically called "puffery" is allowed, and that is understood.