1942- American coll.
A deviation of razzle-dazzle.
1..Something that is gaudy in action or display.
2..Something outdated.
That sequin hat with its fether is perfect for mardi-grais, but for the opera it is really quite razzmatazz.
or
Who wears spats anymore, they are really quite razzamatazz.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.