A purposeful event that was thought to be fun and exciting only until its completion, upon which it was realized to have only been a horrible and dreadful blight upon your life. Taken in reference to the classified aviator survival school: SERE.
1. "Dude, that relationship was so fucking sereish...what was i thinking"

2. "Don't do anything sereish tonight man, make sure you wrap it"
by Sojaboy May 25, 2009
Get the SEREish mug.