The anagram of the phrase "Fuck that fat bitch!" May be used when referring to either animate or inanimate objects.
1.) Person #1: "Did you let Shelia borrow your car?"
Person #2: "Yeah, but when she returned it there was a big scratch on it!"
Person #1: "Man, FTFB!"
2.) Person #1: "Oh man, that sprinkler just got water ALL over me!"
Person #2: "FTFB!"