A moment of sudden, triumphant discovery, inspiration, or insight achieved whilst dropping a number two.
"Dave have you worked out that nasty issue you were looking at?"
"Not yet mate, I'm going to pay a visit to the men's room and see if I have a poo-reka moment."
A moment in which a person or situation led to the worst of decisions being made, similar to a bruh moment.
A: Yo did you see Kyra at bike-a-thon yesterday?
B: Naw man I couldn’t go I got busy
A: That’s a poo moment right there.