Definition from Wiktionary, the free dictionary
scupper (plural scuppers)
- (nautical) A drainage hole on the deck of a ship.
- (architecture) A similar opening in a wall or parapet that allows water to drain from a roof.
nautical: drainage hole
architecture: drainage hole in a wall or parapet
Of unknown origin.
- (UK) Thwart or destroy, especially something belonging or pertaining to another; compare scuttle.
- The bad media coverage scuppered his chances of being elected.
- 2002, Hugo Young, The Guardian (2 Jul):
- "We can't allow US tantrums to scupper global justice."