j-slut Share definition Flag a really big douche bag who wears leather jackets hoping people think he's cool. "Man he has a really cool leather jacket" "Eh, he's a j-slut for wearing it. He thinks it's cool" j-slut by Skits98 November 3, 2011 0 0 Get merch Get the j-slut mug. Buy Now — $32.95 See more merch