A sexually frigged woman or man.

Derives from the McMurdo Dry Valleys of Antarctica, the coldest and one of world's most extreme deserts, which has been ice-free for thousands of years.
Perhaps you should move on to more fertile territory, bro. McMurdo over there will only frustrate you.
by Captain James Clark Ross June 29, 2009
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When you grab a 2 liter of mountain dew, put in your fat girlfriends asshole and empty it in there. Then you tongue punch her fart box and drink the dew out the booty hole.
Gave my lady a McMurdo muzzle loader last night, she said it was the best time of her life!
by Mikeoffdayike March 2, 2021
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Someone who has some Massive nips
Aiden mcmurdo has big nips
by Aidan mcgrogan September 13, 2016
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