1.A cockblocker in the extreme. A person who goes around chopping cocks and generally being a buzzkill. This is the guy who at clubs will come and try to pull you away while you're dancing with a really hot girl.
2. Derogatory term for somebody with a prosthetic dick made of wood.
1.That girl was just about to give me her number, but then Josh comes along and says its time to go. What a lumbercock.
2. My buddy lost his penis in an industrial accident last year. They replaced it with a wooden one. Now everybody calls him Mr. Lumbercock.