air biscut
A special case of ninja-ass-gas - stealthy if you will - in which the gynacologist/unlucky bastard giving a woman an "inspection" gets farted on while up close and personal.
1) While getting a routine checkup.. Danae handed out free air biscuts to poor Dr.Rumple.
2) The Docter ran out of the room shouting.. FUCKING AIR BISCUT!! I THINK SHE SHIT IN MY EYE