A phenomenal pussy that never gets loose and is able to expand to any size when something is inserted into it and once the object is removed the pussy goes back to it's natural size and tightness
*John sticks a two liter coke bottle in kathy's pussy then pulls it out an watches her pussy instantly shrink back to it's normal size*
John: damn girl u really do got a rubber band pussy
The act of touching or caressing a person's feces as it is being excreted for the purpose of sexually gratifying either partner. Occasionally misheard as "rub her dumpling", but is not gender specific.
Last night my girlfriend got me to give her a Rubber Dumpling, I had to shower afterward but it got her so hot it was worth it.