A warning signal which is made by placing a sock over the doorknob of a bedroom door. This signifies to a roommate that you are inside the bedroom, engaged in sexual behavior.
I was headed into my bedroom to grab my wallet, but I stopped when I saw the doorsock and I knew my roommate was inside banging his girlfriend.
Michael Jackson's go-to synonym for the bodily brown that all humans produce, DooDoo Feces is a lighter, more casual take on the notoriousNumber Two - a shitty substitution for any situation.
Dad: "I yanked my denims off, and there they were, speckled on my thighs-"
Son: "What was there?"
Dad: "Well, Son, it was none other than your dear old Dad's DooDoo Feces."