when you go over to a toilet to take a dump,and you look in the toilet to find out that someone left a surprise for you in there....someone that used a whole roll of toilet paper and clogged up the shitter and then took a massive dump on top of that.Its floating on top of the water with a turd nestled inside.Mostly found at factory bathrooms,truckstops,fast food.
Man,I had to take a shit...but theres a nasty ass birds nest in the bathroom shitter,I think Ill wait.
when a girl is on the bottom during sex and the friction of her head being rubbed back and forth on the pillow causes the hair on the back of her head to tangle forming a large knot of hair that looks like a bird's nest
i was fucking this girl hard from on top and she got a huge birds nest
While having rough sex the male tangles and tousles the woman's hair into a nest of sorts. When he is about to finish he pulls out and busts into her hair to give it the finished product hold, resembling a birds nest.
After Erin complained she ran out of hair gel Anthony fucked her and finished in her hair leaving her with a birds nest.