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1.
Verb. Named after famed aviator Charles Lindbergh, a "Lucky Lindy" is joining the Mile High Club, only it is just with one person pleasing themselves rather than two people having sexual intercourse on the aircraft.
Bill: "The flight was four hours. I had time to give myself a lucky lindy.

Jim: Did anyone catch you?

Bill: No, I was able to finish before anyone came to the bathroom.
by Xopher Glitterbeard December 27, 2012