Top Definition
The sound made when defacating into a stainless steel toilet (the type used in county jails everywhere). This is the result of the sudden shock on the digestive system caused by the poor quality of jail food and can also be worsened by detoxing from drugs.
Dude, when I finally made it to my cell from intake, I had to take a massive shit. I mean BLACHANK!
by DorkAlork May 18, 2007
5 Words related to blachank

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