dingus

"If anybody should come in, and catch you with your breeches, as it were, down on the floor, all you have to do is to drink the water, wrap the rubber dingus around you, and tell them to “lay on Macduff.”

I just lost my keys again. Now I feel like a dingus.

"He got mad at me because his dingus wouldn’t come up for him — too drunk, I guess. […]