Stands for "Mile-High Club - Solo Aviator Division."
Means
jacking off on an airplane in flight. Usually done in toilet cubicle or underneath an
airplane blanket. An elaboration on Mile High Club that has long meant
sexual congress on an airplane.
Abbreviation: "SAD."
.
"You mean some people are so hot to join the
Mile High Club that they'll fly solo?"
"You mean, join the Solo Aviator Division? That's SAD! (chuckles). As a flight attendant, I see all sorts of things, like splooge in the unisex toilets the last visitor didn't even clean up. And
you wouldn't believe
what goes on under those airline blankets."
"Yuck! Now I know why they're so skanky. Thanks for the warning."
.