packing the musket Share definition Flag The act of inserting a long, thin object into a male's urethra, as far as it will go. -Dude what are you doing with that glow-stick?!?! -Im just packing the musket man. packing the musket by T-Killa! November 19, 2010 0 0 Get merch Get the packing the musket mug. Buy Now — $32.95 See more merch