Donkey Pants Share definition Flag A very horny guy (usually very drunk) who is thinking with his penis instead of his head. So tell me again Donkey Pants, you want to give this stripper your car and credit card so she and her friend can go get us some booze? Donkey Pants by cliffjw September 16, 2008 0 0 Get merch Get the Donkey Pants mug. Buy Now — $32.95 See more merch