Here's the thing...

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Spacecom#5362 wrote:

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AbyssianOne#1625 wrote:

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shadowthedead#5607 wrote:

What's a "drowning slime balls"?

Glad I'm not the only one with no idea what he's talking about.

I think they are those black goo balls that spawn in originator or nightmare maps that slow your actions and eventually black out the screen and the character dies.