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A warning to friends that the video, song, photo, or writing being linked to is so funny that it may cause one to piss oneself.

A portmanteau of 'pee' and 'alert.'
Do not watch the following video if you have a bladder control problem. Disregarding this warning may result in wet pants and all your friends pointing and laughing at you.
by MacKay September 13, 2008
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