Top definition
When you work out, get as sweaty as possible, go home and take your pants off, and while someone is sleeping, get a running start, jump and land your anus directly on their face with your full weight and fart simultaneously.
My roommate was pissing me off yesterday, so I gave him a dirty cannonball after he went to bed.
by SaloGraf August 15, 2016
Happy St. Patties Day!