need sth yesterday

need sth yesterday (need something urgently) -- срочно

I need it yesterday (an informal way to say it is needed immediately) -- нужно еще вчера

Example 1: "Can I send that report to you later this afternoon?" "No! I need that report yesterday!"

Example 2:
A: Our customer is waiting for the shipment.
B: I didn’t know that. When do they need it?
A: They need it yesterday. They cannot proceed until they receive the shipment.

see also
[yesterday wouldn't be too soon!]