Top Definition
When a dude take a piss with so much force it creates a splash-back, and spray pattern on the walls, toilet paper, and dislodges crap-spackle. Can be accompanied by an escapee or sharts.
My High Velocity Urine HVU was so strong I took out the crap-spackle that was stuck under the toilet rim from three weeks ago.
by SuperProcrastina June 24, 2013

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