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when one takes a shit and the poo is so perfect it does not need a single wipe of toilet paper. This means that your buttocks has securely sealed itself without aid of toilet paper to wipe the excrement.
Dave: wow, I just did the most amazing shit

Haley: oh really?

Dave: yes, it was a self sealer too!!

Haley: I'm proud of you, dave. This is what dreams are made of.
by golddustskies September 25, 2013
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