n. A male reproductive organ, aka man sausage, slipped into a hot dog bun. Usually used to trick someone. For full effect, man chowder is smeared on top to look like mayonnaise.
v. to slip someone a man dog: Offering an unsuspecting cum dumpster or fanny bandit a hot dog, but instead handing them a man dog with your throbbing member inside.

anther term for willy