Definition & Meaning of "wowzer"in English

What does "wowzer" mean in Canadian slang?

The structure adds the "-er" suffix to "wow" (an exclamation of amazement), forming a noun that names something impressive. It is used in Canada to describe something remarkable, impressive, or of great interest or beauty, often in an enthusiastic or exaggerated way. People typically say "That sunset is a real wowzer" or "He hit a wowzer of a home run." The term originated in Canadian English, likely as an intensification of "wow," similar to "humdinger" or "lulu," and remains in casual, somewhat old fashioned or rural use.