The act of deficating with explosive force. When doing so faecies hits toilet water blowing fecal matter on the side walls (Spackle), underneath the toilet seat lid (Blow-Back) and back on the buttocks of person sitting (Shit Sickles). This action is signiture by these three results. Term commonly use in the fire service around the country.
Commonly seen in patients with IBS and crohn's disease. " I have to take a Mulkey" or "Who took a mulkey in there."