So yesterday phrase
The “so” in this phrase, which dates from the late 1900s, means “extremely” or “completely.”
Extremely dated; no longer modern, fashionable, or fascinating.
Your report is unreliable because the data that you analyzed is so yesterday.
That expression is so yesterday! The last time I heard it was when I was a little kid.
The machines used to make these sweets are so yesterday.
A way of response to outdated news
An old-fashioned pub.
To be out of date, not be used for a long time.
Used to refer to an old person who is boring and old-fashioned
The origin of this phrase is not clear.
One needs to understand the basic techniques or primary details of something before taking actions that require greater skills
Peter failed because he did not learn to walk before he ran.