The act of pooping on the roof of an unsuspecting person's car late at night, preferably close to the edge of the drivers side door then sticking yellow Marshmallow baby chicks into it, resulting in subjecting the car's owner to the sight before they enter it the next morning.
Man, that smelly-ass freeloader has been getting on my last nerve, maybe a midnight Mexican bird's nest would make him get the point.
Placing toilet paper around the seat of a toilet, to form a protective barrier from the germs on the seat. Mostly done in public bathrooms. Looks remarkable like a birds nest
The toilet paper shield that some people construct around the seat of a public toilet so that they don't contract any of the various forms of ass and sexual diseases that thrive on porcelain.
"When Brenda left the bathroom, we were puzzled as to why all the toilet paper was gone. She then explained to us that she had birds nested it, and suddenly everything made sense."