A mixture of Urine and Fecal waste from a bird out of thier peeoop hole. Commonly seen on car windows and city ledges around the world. (A.k.a. Bird Waste)
Dude that not just poop its Peeoop. Birds only use the bathroom out of one hole at the same time mixed together.
by Bac0npirate November 19, 2010
by Bac0npirate June 06, 2015
by Bac0npirate December 14, 2014