Top Definition
The idea that when something (such as data, memory or a particular object) inconveniently and inexplicably goes missing it is thought to have deleted itself out of impulse or intention, i.e. it has self-expunged.
I was certain I put my car keys here, but it looks like they've self-expunged!
by Gik130 July 03, 2009

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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