asquirm

Squirming.

But a fish-market, even at Rialto […] is only a fish-market after all: it is wet and slimy under foot, and the innumerable gigantic eels, writhing everywhere, set the soul asquirm, and soon-sated curiosity slides willingly away.

[…] he sat with his trousers rolled up to the knees and his blue-white city toes asquirm in the cleanest muck he’d ever felt.

Covered or filled (with something squirming).

an aquarium all asquirm with trout and gold fish

The little dancing floor in the center of the dining room suddenly was asquirm with posturing figures in mantillas and silks and boleros.