Portapuss is a sexual act in which a man and a woman, a man and a man, a woman and a woman or a woman and a donkey can partake in. In portapuss, the two lovers have sex standing up in a port-a-potty. There are many variations of portapuss, the dirty porty, the blue porty, and the donkey suprise.
"Man, that dude popped her coochie
and then they portapussed" or "Hey baby, how bout you and me go to a construction site and portapuss"