paint the bathroom a new color
The effect of an unfortunate and rare diarreal bowel movement consisting of a wide radius of projectiles outside of the commode area, resembling that of a bodily explosion from the anus.
Person one: "Who is holding up the line to the restroom? They have been in there for more than twenty minutes!"
Person two: "I don't know, but they must be painting the bathroom a new color!"
Person two: "I don't know, but they must be painting the bathroom a new color!"