Top Definition
A case of diarrhea where the feces escapes the anus at very high velocities. The shit is usually quite watery, which allows for smooth flow out of the asshole. A stomach ache usually precedes a high speed download and the person feels quite relieved after it is complete.
I just took a high speed download, and now I feel great.
That high speed download made this restroom stink.
by cfabbriumd April 30, 2007

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