parramatta vas
It is the act of spitting into your palm and working it around the knob of your penis pre sex to facilitate entry to front or back bottom. Parramatta refers to the origin of where the first sexual experiment took place. Vas refers to vaseline the one thing that makes easing you penis into an awfully tight vagina all the more pleasant.
Tim took Debbie who was a first timer and bent her over, added some parramatta vas and had his way with her