What does Ass Waft mean?

Ass Waft meaning in Urban Dictionary

This occurs when you attend sit on the toliet, and also as you're making the motion to move down you let a fart out. Just a little fuel to help you flex down. Once you sit down on the chair/toilet that person is on same level as where your ass was. After this you smell the torrent of farts that you discrete. Hence providing your self the butt waft.