The woman stopped to talk to the young men, and her liquid laugh floated across the empty space.

"Delaunay's pupil, indeed," she said, and gave her liquid laugh.

Laric's hollow, liquid laugh was frightful in its supreme arrogance.

And she did laugh, her big liquid laugh, and we laughed with her.

Read it and you will understand sentences like: "The wallybasher was a bit of an elbow-bender and after the electric soup he was overcome with a liquid laugh."