Another term for "cock blocking" except the offending person, or item is actually "killing your wood" because it is distracting you and/or so repulsive you could not possibly be aroused while you are thinking about it.
Dude, I love this truck but the purple color is totally lumberjacking my game.
Did you see her ugly friend? As long as she was around she was lumberjacking me while I was hitting on the hot one.
We were eating at this fancy restaurant, but watching her eat snails totally lumberjacked me