The evaporation of one's sex drive after eating a large Mexican meal, particularly nachos.
Hey baby, I know I was feeling frisky before dinner, but after that plate of nachos, this is nacho cock tonight.
by partytrap September 24, 2010
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An often mistaken term for “Cotton Eye Joe
Person 1: Hey man, can you do the cotton eye joe?
Person 2: Did you just say cock nacho?
Person 1: No, I said cotton eye joe.
Person 2: Ohh, no I can’t.
by AsteroidFox5609 January 30, 2019
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"Joe had a big bowl of cock nachos last night."
by Badong July 31, 2003
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