Navajo Paintbrush 

-Castilleja, commonly known as Indian paintbrush, prairie-fire, or Navajo paintbrush is a flower named for the clusters of spiky blooms that resemble paintbrushes dipped in bright red or orange-yellow paint.

-Example: Timmy asked, "Wow, look at that beautiful, vibrant, desert flower." "I wonder what it is called?" Timmy's very knowledgeable mother replies, "a Navajo paintbrush, son." She adds, "Eaglefeather Two-suns, is an idiot."

Navajo Paintbrush by The Really Right Definition February 14, 2017

Navajo Paintbrush 

The act of explosive expulsion of fecal matter (preferably influenced by a beet-root or curry diet) resulting in a toilet bowl heavily spattered with a reddish vibrant brown display of artistic merit.

Raven entered the toilet stall, and was greeted with a fragrant rainbow of earthy colours, each detail vibrant and changing slightly in hue as he circled the bowl to appreciate the sight from every angle. Truly, it was a marvelous example of a Navajo Paintbrush.

Navajo Paintbrush by Eaglefeather Two-suns August 25, 2008