A New Zealand Mud Slide is the act of defecating on a prostitute's chest and then proceeding to sit it in and sliding down her chest so your feces smear over her chest like the mud on a set of mountains.
"Yo! Did you hear Kevin gave the Jefferson Street hooker a New Zealand Mud Slide?"
"Dude! No way! That's awesome! Did he take pics?"
"Dude! No way! That's awesome! Did he take pics?"
by ChaoTato May 5, 2020