to place a metal rod in the urethra of the penis, utilized during sexual intercourse.
Man, have your girl take a shot at muzzle-loading, you'll thank me later.
the act of sticking a slim like object up a mans pee hole for pleasure
henry and john had a great night muzzle loading
When you boof drugs and then have them shoved up the anus further by way of butt sex
Yo bro, wanna go muzzle loading?