Definition of grinded:
(v) :
(transitive) To reduce to smaller pieces by crushing with lateral motion.
(v) :
(transitive) To shape with the force of friction.
(v) :
(metalworking) To remove material by rubbing with an abrasive surface.
(v) :
(intransitive) To become ground, pulverized, or polished by friction.
(v) :
To move with much difficulty or friction; to grate.
(v) :
(sports, intransitive) To slide the flat portion of a skateboard or snowboard across an obstacle such as a railing.