ATHFF meaning in General ?

Aqua Teen Hunger Force Forever (or shortened as Aqua Teen Forever) is the alternative title given to the eleventh and final season of the animated television series, Aqua Teen Hunger Force. It aired in the United States on Cartoon Network's late night programming block, Adult Swim. It premiered on June 21, 2015, with "Mouth Quest" and ended with "The Greatest Story Ever Told" on August 30, 2015, with a total of nine episodes. The show is about the surreal adventures and antics of three anthropomorphic fast food items: Master Shake, Frylock, and Meatwad, who live together as roommates and frequently interact with their human next-door neighbor, Carl Brutananadilewski. In late January 2016, this season became available on Hulu Plus.

Episodes in this season were written and directed by Dave Willis and Matt Maiellaro. The theme music, entitled "We Rule Your Animated Comedy Ass Forever", was written and performed by the three main cast members alongside Michael Kohler. Almost every episode in this season featured a special guest appearance, which continues a practice used in past seasons. This season has been released in various forms of home media, including on demand streaming.