While fisting a girl you are not married to, you drop a live grenade in her and run into the arms of Jesus Christ.
I gave Veronica the Holy Hand Grenade last night, it was a blast!
The basic definition of a nuke, but better. Throwing one in the wrong place or area could a chain reaction of explosions causing the universe itself to implode, then explode with the wrath of God
He then threw the Holy Hand Grenade, and killed every enemy in the area, and also blew up everyone and thing the area
Robert the Bruce's heart was cut out at his death, he was the true braveheart. His heart was later carried on a crusade to make the crusaders more courageous. It was thrown into a group of opposing soldiers during battle.
His heart was the holy hand grenade.