The Bleached Aqueduct
When two people in a threesome have dicks, one pisses on the others dick while that person is pissing into the mouth of the dickless individual.
"I saw some weird shit last night, some dud was giving his girl and another dude The Bleached Aqueduct."
"Man, you really need to stop looking at weird shit."
"Man, you really need to stop looking at weird shit."