Let me poop on it
1. When a difficult decision, that may or may not be important reveals it self, and is abruptly followed by the sudden urge to poop.

2. Your unsure about something or have have run out of ideas, and subsequently take a poop to resolve the dilemma.
"Where do you want to go for dinner?"

"I'm not sure, let me poop on it."

"Hows the Johnson account going?"

"Not well, I should poop on it."