Usually used by Chileans. Means someone wont do something requested for.

Also, ni = no for Chileans and cagando = taking a shit , but Ni cagando doesnt mean you "wont take a shit"
Filip: Can you bring me that item?
Kami: Ni cagando
by Kamilations November 24, 2013
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From the Spanish meaning, “not even shitting”. Implies you wouldn’t do something even under the worst circumstances.
Wanna go to the Trump rally?”
“Ni cagando.”
by Caifan52 October 11, 2018
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