Reverse Filthmosis
v. Close relative to the "Filthy Folletta" and sometime performed afterwards, A Reverse Filthmosis is performed when a drop of sweat that has beaded down a heavy set woman's ass crack and is caught by the tongue.
Dude I totally gave that huge bitch a Reverse Filthmosis.
You should have seen the look on her face when I gave her that Reverse Filthmosis.
Mom: "What did you learn in biology today?"
Boy: "Reverse Filthmosis."
You should have seen the look on her face when I gave her that Reverse Filthmosis.
Mom: "What did you learn in biology today?"
Boy: "Reverse Filthmosis."