The black pudding, grey ooze, and green slime appeared in Monster Manual 2 (2009).

By the flashlight's beam, he saw rivulets of gray ooze sliding down the hole's walls and dripping into the darkness below.

Lining the lower part of one wall is rosebud wallpaper that we are led to believe once coated the room before the gray ooze took over.

A big black beetle crawled out of the gray ooze and over the rim of the bowl.

He rolls over with a hard-on dissolving in the grey ooze of junk.

The Hydra dwells in an alternate dimension and appears as a vast sea of gray ooze.

Strands of thick gray ooze dripped from the ragged edge.

The air was wet and heavy down here, and the rotten-peaches odor of the gray ooze stung his nostrils.

She saw six or seven sluggish gray-green creatures three or four inches long, sitting on a bed of gray ooze.

Screaming, the Ghosts charged over a short stretch of grey ooze and then slithered down into a revetment, screened from them by the smoke.