U DON'T EVEN KNOW ME,SO HOW U GONE SAY WHERE I GOT SOME SHIT FROM?I ONLY FOUND OUT ABOUT 50 CENT WHEN HOW TO ROB CAME OUT.I GOT KLACK FROM THE NOISE A NICE PISTOL MAKES WHEN U JACK IT OFF.THAT'S WHERE IT ORIGINATED FROM. AND WE BEEN SAYIN IT IN MY HOOD FOR AT LEAST,AT LEAST 11 YEARS.KLACK KLACK IS HOW IT WAS USED.NOW,IT HAS A NUMBER OF MEANINGS.MOSTLY JACKIN IT OFF OR FIREN A GUN.NOW,U CAN ALSO KLACK A NIGGA IN THE HEAD WIT BRICK.OR THE A SONG WAS KLACKIN IN PLACE OF CRACKIN.WHAT EVER JUST KEEP KLACKIN FUCK IT.