donkey dick noun2 •(slang, vulgar) A very large penis.When you have McAdoo's jumper, it's like being the one kid in high school who has a donkey dick. Everyone will remember you. — 2009 •(vulgar, offensive) An idiot, a fool.[…] 'Stead a pissin' everyone off writing tickets all day, they could make themselves usefully and thin out the donkey dicks that never have, and never will learn how to be responsible drivers." — 2003 formsdonkey dicks