Seds 

It is another word for the word seriously, usually used when someone has done something shockingly stupid or when something stupid that has been said by someone

Much like the word "serio"

usually used by kids from East Los Angeles

1. Seds!!??? you threw up in class???!

2. Seds! you gonna act like that!

Seds by the bad seed June 20, 2009

seds 

Seds is the nickname given to the ever greatful Hannah Seddon, saving her from the embarassment of walking round with the nickname "fudge" over her head.

"SEDS!! shut the fuck up!"
Also "sedders" and "chedders" when one can be assed to use an extra syllabul.

seds by Seds March 29, 2005

SEDS (sudden elderly death syndrome) 

When that old bitch fine, but then really not fine.

“Did your grandfather suffer from SEDS (sudden elderly death syndrome)?”
“Yea he died”

SEDS (sudden elderly death syndrome) by Nayomiey November 19, 2023