(Noun): short for "wookiee sledgehammer"; another term for an incredibly, almost unbelievably, large erect penis. Is so named due to the fact that its hardness and size could theoretically allow the owner (wookiee OR human) to use it as a sledgehammer.
A highly complex sexual maneuver involving a crane, various engines, nautical equipment and fire. Its origin is unknown, and it has only been performed once in the history of mankind. While the exact procedure remains unclear, it continues to be recognized as one of the world's most dangerous sexual acts.
Kevin: Dude, Mike was the only one to perform the Puerto Ricansledgehammer and survive. He came out of it with just a broken wrist!
Max: Boobies!
The sex move named when an old man with saggy nuts, fucks another doggy-style. During the while his nuts swing up between the other's legs and hit them in the jaw, knocking them out cold.
Doctor: I'm not sure how to explain this, but your grandmother passed away. She couldn't return from the coma she was in after your grandfather hit her with his Pendulum-Sledgehammer.