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nihila1000

Do you know what does it mean? nihila1000. What's this?

[MSL]

 Well, nihila has Latin origin. And it's a form of "nothings" (plural of "nothing"): https://en.wiktionary.org/wiki/nihilum#Latin. 1000 is "one thousand". So this nihila1000 means "nothings 1000" ("nothings1000").