A fork of Rural Dictionary
Smugglers den is an act of sexual deviance wherein a man inserts his testicles into the anus of his female partner. Most often when the balls are removed the exclamation "BOOYAH!" will be yelled.
-That chick is so freaky, she's down with the Smuggler's Den! -Have you ever tried the Smuggler's Den? No, I don't think I could fit my balls in her ass.