Stink Missle 

Is a well hung mans penis, before, during or after having anal sex. Refering to the working end of his unit being covered in lube and poo.

I heard you gave Rebecca the Stink Missle last night, you go man.

Stink Missle by Nabolshia May 1, 2011

Stink Missile 

An aerodynamically shaped turd, packing the aromatic firepower of WMD.

"tell everyone to seek shelter. I've got to go fire a stink missile."

Stink Missile by Kilo Bravo April 24, 2012