When someone or something, sounds or looks appealing. Usually something of higher quality.
Guy 1: Looking pretty snazzy today, Kevin.
Guy 2: Thanks.
When something is so amazing and you can't be bothered to say cool.
"Oh wow isn't that ring snazzy"
To be very great, good, sexy, beautiful, well dressed, and perfect.
Snazzy is attractive and stylish
Girl: What is snazzy?
Cool girl: Just look at Roger Taylor og Freddie Mercury... You will know
This word is top tier and certainly very groovy. You can only use this word if you are the coolest of the cool.
Boy 1: Jeez those are some snazzy shoes.
Boy 2: Thanks they’re pretty groovy, right?