A fork of Rural Dictionary
The act in which a male or female lubricates their back with oil - most commonly Johnson's baby oil - and gets on all fours. Their female partner proceeds to rub their naked lower body along their back, namely focussing on the movement of the vagina.
Guy 1: Hey man I got a Venetian Backrub yesterday from "Ellie" Guy 2: Sweet, did you use Johnson's?