The act of master-bating on an airplane. Most times in the bathroom of an airplane, can also happen at your seat. Can be used in many different grammar uses (adj, noun, etc.)
Tom: how was your flight?
Bill: Dude half way I got really horny and did a mile high tug!
Tom: Really! The girl next to you was that hot?
by Beauties February 20, 2016
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