Top definition
when your sitting on your ass and you have to apply great physical pressure to really have that fart out and its a disapointing small bubble of fart air.
I was sitting with Jessica at the movies and I had tacos for dinner so tossed out plenty of gasballs all through the movie.
by chriscyrs January 06, 2009
Get the mug
Get a gasball mug for your daughter Rihanna.