A cash game of poker, reffered to grindament's by top players as this due to the general method used to beat these games is to play only premium hands as the blinds do not increase and the game never ends.
This term is used to describe when one is having unlubricated sexual intercourse with their grandmother, but the hard penis is too sturdy for the grandmother’s saggy and dry vagina to handle, thus ripping the walls off of the vagina like paper and the blood pools and fills up the vagina, imitating the water in the Panama Canal.