Coco-no-no 

It's when you make a hole in a coconut so you can get the coconut milk out and then you use it to put the coconut milk in your asshole

Lemme just go and Coco-no-no

Coco-no-no by KarmicLoki25566 June 8, 2016

coco nono 

noun - something one dislikes; a moment with lack of pleasure; antonym of coco momo

When Bert stepped in dog spitat, he experienced a coco nono.

coco nono by Sir Ynnad the Great December 7, 2003