just put a thumb in it

when your 50. cal explodes on cam, your jugular gets punctured and your lung collapses, and you shove your thumb and shirt into the wound to stop the bleeding and losing other fluids

Guy 1:Did you hear Scott made another 50. Cal explode?
Guy 2: No, did he Just Put A Thumb In It?
Guy 1: Nah, it was for an experiment to see why his 50. cal blew up