Verb; the act of blowing a breezer while traveling passed one or more people. Similar to traditional crop dusting; the idea is to allow the gascious air to settle over a destination specified by the direction of travel, angle of the rear, and pressure put on the sphincter. It's a delicate yet powerful move.
Mark awoke all the sleeping people at the party when he layed a vicious crop dust over their sleeping bags. The next day they got pink eye.