What is So Yesterday?
1.
Something which was once popular, until it went uber-mainstream, and has now become passé
Grunge is so yesterday, get over it.
See
2.
Horrible song by the gay singer Hilary Duff.
Also, something said when something is out of style
Kung-Fu Jesus is so yesterday!
See
Random Words:
1.
A way to describe a girl who may not be the hottest chick around but is still pretty good, can also describe an object which does the jo..