That's where there's a guy on the bottom fucking a girl in the ass and there's a guy on top fucking her in the vagina creating a triple decker sex-sandwich thus wrecking their peckers.
Sex move: when three men are having a threesome and the guy on the bottom is giving anal, the guy in the middle is receiving AND giving anal, and the guy on top is getting anal while his dick/her strap-on flops about like an epileptic fish.
“Jerry, we’re gonna do a Triple Decker Pecker Tower later, you want in? If so you’re taking top
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.