Todays BWOTD originates from our seafaring history:
"When they showed up, it totally scuppered our plans"
"The whole event was scuppered by bad weather"
Scuppered = obstruct something, throw a monkey wrench in
This term comes from our nations seafaring days, the scupper being a drain designed to allow water to flow overboard from the deck of a ship. To be “scuppered” is to be hit by a wave large enough to knock you into this drain. It is also derived from the obvious seafaring term, where “scuppering” something is to sink it.