“Siwashed” in BC English newspapers
All 3 examples of “siwashed” today come from a single newspaper, and all have the same meaning.
This word, when used in PNW English, often meant — does anyone use it anymore? — “86’ed” from a bar, “banned”, etc.
Three examples from Nelson, BC (Kootenays area):
“SIWASHED” MAN AND SUPPLIER IN JAIL
— from the Nelson (BC) Daily News of July 5, 1917, page 8, column 2
DRUNK WHO ENTERED HOUSE IS FINED
Arthur Watt Asks Magistrate to “Siwash” Him; Mind Blank
— from the Nelson (BC) Daily News of January 15, 1925, page 3, column 2
Women Siwashed, Says Rev. Dr. McIntyre in Talking on Beer Matter
— from the Nelson (BC) Daily News of August 4, 1926, page 1, column 2
Are you familiar with this Northwest dialect word? It has a racist sound to it, nowadays.
You can learn other meanings of this word in my article, “Racially Insensitive Verb“.