look up any word, like bukkake:
 
1.
When a guy and girl are 69ing but they are standing up and the guy is holding the girl so she's upside down - almost like she's flying. then she farts in his face but he can't move or let go b/c he'll drop her on her head...
Shirley, I really hope I don't give Bob a flying biscuit again like I did last night."
by Poopgirl March 05, 2010