When a gaping asshole is vomited in, and the vomit from that asshole is shit back onto the vomiter’s face. That is a butterscotch waterfall my friend.
“When Shelly showed me the pictures of her family reunion, I gave her a butterscotch waterfall.”
"After eating calamari and sushi all night, we decided to do a butterscotch waterfall. It was a fishy situation."
"If you're lucky, you'll get a butterscotch waterfall tonight, baby"