Blague

The difference is this: one may be obliged to maintain a falsehood from feelings of pride or self-respect, but a blague can be given up without a scruple.

Source: wiktionary

I wonder if the cholera-sick fishing harbour is so sweet, after all! Blague probably. Blague, blague! Brides, love, Naples, joie de vivre, ancient, modern, liberal, conservative, ideal, real, natural—blague. Blague all the way.

Source: wiktionary

The blague differs from the laughter of, say, Hugo's L'Homme qui rit, just as it is distinct from irony, which is never coarse or untrue, and indeed presupposes a whole shared system of values.

Source: wiktionary

But whereas blague, as Pound seems to envisage it, begins with pomp and ends in derision, this poem emerges from circumstances of derision

Source: wiktionary