rectum rodent Share definition Flag aka "lemmywinks" this little critter traverses the gut and intestines of "Mr. Slave." The fate of the "rectum rodent" became obvious when Mr. Garrison removed the tube from Mr. Slave's ass. rectum rodent by Will, Chad January 26, 2003 0 0 Get merch Get the rectum rodent mug. Buy Now — $32.95 See more merch