Nipples that stretch so far out that you could mail them to someone and they would still be attached.
"Did you see Jessica's fed-ex nipples? They go on for miles."
The act of jizzing into multiple sponges. Thus, Spunjizz!
There were so many sponjizz around waiting for all the sponjizzers
When you insert a sponge into your anus and let it soak up your feces for about a week, then excreting it onto a salad spinner above your significant others face. Thus letting the chocolate rain onto all who are around.
"Hey joe, what did you do this weekend?"
"Just a little anal sponging with my wife, it was everywhere!"