Swab-Donkey Share definition Flag A Swab-donkey is a term often used to describe a rectal papsmear. Often used with Prostate check-ups. Timmy :- Hey man, I'm going for a swab-donkey today!! Tybalt :- Uhmmm WHAT THE FUCK!!!! Swab-Donkey by Swab-donkey boy March 25, 2009 0 0 Get merch Get the Swab-Donkey mug. Buy Now — $32.95 See more merch