Estoca is a conjugation of the verb work, third person singular of the present in particular. Work is usually injuring a bull with a rapier nbsp; http://www.significadode.org/estoque.htm
estoca is incorrectly written and it should be written as "Rapier" being its meaning: Punch. Rapier. In the criminal population, (Prisons. Prisons ) manufactured handmade weapons sharps, with any metal to attack, or defend themselves against others.
ESTOCA: INVOKES THE WORD GRAND, WHAT IMPACT THAT IS PRODUCED WHEN THROWING A SPEAR OR SPEAR TIP.