look up any word, like fleek:
 
1.
A word used to describe a particularly sad event and/or thing.
Steven: Oh god... look at that dude!
Gladys: Man, that's downerful.

Siobhan: Hey...
Grimm: What's up?
Siobhan: I had a stroke...
Grimm: Oh Jesus. That's downerful.
by Mucho! January 21, 2011