To defenestrate something is to throw it out of a window. Therefore, hurling yourself out of a window after you found out that you dumbly bought AOL stock right before it slid rapidly, well, that's autodefenestration.

Update: well, someone beat me to this... see self-defenestration.

Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.