This is a phenomenon that occurs when you're jammin' on your burrito and the contents are ejected through the opposite end, falling into your lap. The cause is due to improper wrapping technique.
"Yo! Your bean burrito is all in your lap, ese. If homes had made it right, you would't have the burrito fallout!"
by BottomMover October 9, 2005
Get the burrito falloutmug.