When you have a large ass chocolate bar built up, and when you finally get the chance to release. There's no control over your sphincter.
by SavBot May 8, 2015
 Get the Poojectilemug.
Get the Poojectilemug. When you strain really hard to lay down a fart but inadvertently end up shooting out a piece of poo instead.  I.e. a projectile made of poo.
by not doing my essay November 21, 2005
 Get the poojectilemug.
Get the poojectilemug.