A verb referring to a decision you've made that will lead to you being "fucked; hating my/your life".
It is much more devastating than a simple FML will cover. Simply fucking your life is nowhere near as bad as being fucked; hating your life. A simple FML can be overcome with beer or weed.
"What have you been up to since high school?"---"Living in my parents basement fucktating."
"If I decide to work here for two more years under that psycho bitch I'm going to be fucktating."