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A Negative Reality Inversion (NRI) a term originating from the series "The Young Ones" and is actually technobabble.

A Reality Inversion would be the symmetrical inversion of reality. Making it negative would actually cancel it out, leaving you with reality.
NEIL: Anybody watching that must've thought it was a negative reality inversion.

*A man and woman are making out in the shadows
WOMAN: Cor, that looked just like a negative reality inversion, didn't it?
MAN: Yes, it did, a bit.

*They turn their attention back to each other
by DecoyDucky May 04, 2010