Bits of money and brain fly everywhere as Duke laughs and laughs...

Her Duke, so many years dead on this accursed planet, had laughed at her when she did this.

The Duke was laughing now, almost silently but with evidence of real enjoyment.

Duke laughed, too, and moved on, seeking out a table in the corner.

Duke laughed heavily when he looked at Wally.

Duke laughed good-naturedly and turned them down.

The Duke caught their eyes on his supports, and laughed lightly, a dry, breathy sound.

Duke laughed, shrugged, and looked defiant, all at the same time.

The Duke laughed, a high, chittering sort of laugh, like a bat that has just heard a good one.

The Duke laughed, and the others joined in.