the act of sticking ones face in between two buttcheeks (around the asshole region) and suctioning the area while exhaling to make a farting sound. It is a very immature act that can have fatal results. Side effects are anal bleeding, anal leakage, and female hockey playing
"dude I can't believe I walked in on mr. angelo getting a dupa sandwhich from maddie lastnight.....shit was wack"
by fchants March 25, 2010
Get the dupa sandwhichmug.