Dog Felching Share definition Flag The act of putting a McDonalds' straw up a dog's butthole after cuming in it, and sucking your cum back out it's anus. Did you hear that Bill went Dog Felching last Friday? Holy Shit! Let's go with him next Friday! Dog Felching by SawOwls May 12, 2014 0 0 Get merch Get the Dog Felching mug. Buy Now — $32.95 See more merch