Definitions by The Meaty Spincavex

shannonball 

An ordinary cannonball misnamed to upset/anger people within a close proximity of you. While doing a cannonball you must exclaim "shannonball!."

>Hey Tim, check this out! Shannonball!
>>..what? That's a cannonball.. whatever..

shannonball by The Meaty Spincavex July 10, 2009