Unless you have an exceptionally baggy foreskin, being wanked off by the air will be unlikely. Also, it's cold up there.
The best you can hope for is to teabag some combination of your own cock, thighs or perineum. A master airborne teabagger might manage to teabag someone else without a painful collision, but it's extremely unlikely.
Your best lie ever?
"I'm a Muslim". Nobody saw through that for years.
Have you ever thought impure thoughts of a close relation?