Top Definition
Forgetting to zip back up after going to the bathroom in a public place. Often accompanied by a "zipper coma", where you almost NEVER remember to attend to that little matter.
Of all the times to do this, Fred had a zipper slip just before walking up the aisle at his own wedding.
by backinbowl January 15, 2010

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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