Screw-ups, to the McKenzie brothers

• Con men, in slang
• Rubes, north of the border
• Con artists, slangily
• Clods, in Calgary
• Con artists
• Uncouth types, in Canadian slang
• Firemen, at times
• Rubes, in Canadian lingo
• Unmannerly sorts, in Canadian slang

Wiktionary Word definitions in Wiktionary
n. (plural of hoser English)