Similar to pre-rinsing dishes prior to washing them, either by hand or dishwasher. Dish, bowl, etc, is placed on the floor & your dog licks it "pre-clean".
Honey, please don't forget to pre-dog your plate before you put it in the dishwasher.
by TSgtShoe February 08, 2011
When you hook up with a chick and brag about it only to find out one of your crew already hit it weeks prior without your knowledge.
He thought he was king shit on a mountain of turds until he found out I pre-dogged that hoodrat months ago.
by dudemountain October 24, 2015