Related to galley-west: donnot
slang chiefly US into confusion, inaction, or unconsciousness (esp in the phrase knock (someone or something) galley-west)
[C19: from English dialect colly-west awry, perhaps from Collyweston, a village in Northamptonshire]
Informal. into a state of confusion or disarray (usu. used in the phrase to knock galley-west).