Top Definition
When you pick up something interesting on the ground and you hold it for less than 5 seconds, it is ok to put it back on the ground.
jim: dude didn't you pick that off the ground?
tom: ya.
jim: then why are you putting it back on the ground? you should just put it in the trash.
tom: nah dude. inverse 5-second rule.
by dtix July 29, 2010

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