Top Definition
The act of taking a massive shit in an airplane lavatory

A massive turd at high altitude, hence the name
"I had a massive altiturd while on my way to San Francisco. I think some of the people in the back row could smell it"

"Gimme a minute. I gotta drop an altiturd"
by crazychar4 January 19, 2014
7 Words related to Altiturd

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