Con artist, slangily

• Canadian for dunce, dweeb or dolt
• North-of-the-border lout
• Chucklehead, in Canada
• Canadian blockhead
• Canadian put-down
• Insult popularized on "SCTV"
• Canadian bozo

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"contemptible person," also hose-head , by 1982, a term popularized by the Canadian parody comic sketch "Great White North" with the fictional McKenzie Brothers on SCTV.

Wikipedia Word definitions in Wikipedia
Hoser or hose-head is both a slang term and a derogatory term, originating from Canada and used primarily by those imitating Canadians . It is not often used by Canadians, but it is sometimes used as typical Canadian slang by others. The term hoser gained ...