holy poop on a stick 

You might say this in surprise, as in 'holy shit'

Holy poop on a stick!! The pope just died!

holy poop on a stick by box April 30, 2005

go poop on a stick 

To insult someone, horrible come-back line, to tell some one to get away or get lost

Other person: "You are a loser!"
You: "Well yeah, go poop on a stick"

go poop on a stick by Mick March 20, 2005