1 definition by WITYC

Top Definition
The act of having a massive stool movement over a long period of time. Generally the movement would last half an hour at a minimum and the bowl evacuee would loose anywhere between 2-4kg in weight.
* I'm gonna go do a Blackburn, see you in an hour.

* Holy Miley Cyrus! I just did a Blackburn and I think I need stitches.
by WITYC February 18, 2010

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