autodefenestration 

The act of throwing oneself out a window.

From defenestration, the act of throwing something out a window.

Fred's emotional pain led to his autodefenestration.

autodefenestration by AbnormalBoy August 29, 2004

Post-coital autodefenistration 

Sobering up while having sex, then realizing how ugly she is and throwing yourself out the window.

John: how did he die?
Betsy-sue: he came on my face and jumped out the window.
John: ah, the old Post-coital autodefenistration. This is your third?

Post-coital autodefenistration by This is my name, bitch March 12, 2010