yestertech

Outdated technology which was more popular in yesteryear.

Anybody with any sense refuses to buy American cars because they are always full of yestertech.

yestertech by PelotonKing July 21, 2008

Yestertech

Adjective; describing a device of mechanical or electrical methodology or technology - be it mechanical, electrical, hydraulic, etc. - which has been made obsolete by current standards, practices and/or methodologies. Something which has been replaced by state-of-the-art design; a device relegated to non-usefulness in terms of pragmatism, popular acceptance, and/or general obsolescence.

A rotary dial telephone is so yestertech.

Yestertech by Michael Pacillo October 16, 2008

yesterdecade 

A portmanteau of the words "yesterday" and "decade", it is defined as the previous decade.

If the 80s was considered a yesterdecade, that makes the 90s the current decade.

yesterdecade by CrazyChristopher1989 March 12, 2019

Yesternacht 

A cooler way to say yesterday night in conversation.

"If today is Christmas... then Santa came yesternacht!"

I was on urban dictionary yesternacht, and I've got a word that is way easier to say than yesternight"

Yesternacht by Dan Milano December 8, 2005

yesterschoolday 

The previous school day compensating for any breaks or weekends.

"Do you have the assignment done from yesterday?"
"Yesterday was Sunday."
"Sorry, I meant do you have the assignment done from yesterschoolday."

yesterschoolday by Rambo larry September 30, 2016