Keebler Elf Trick Share definition Flag When a man shits on another man's penis. Then the man jerks off the penis he shit on. After that, the shitty penis is then inserted in the other man's ass. "Wow, I met this guy last night and he showed me the Keebler Elf Trick." Keebler Elf Trick by wilson555dealer December 7, 2009 Get the Keebler Elf Trick mug.