A very determined organisation which ambitions to get bored kids off street corners and give them a uniform, gun and crappy accommodation for a very reasonable price.
A cadet can expect to become subject to beastings and 58 pattern webbing as well as a 'fun packed' summer camp which will involve lying in a ditch for hours on end with around 5 blank rounds to be shot when you are told, not when you are taught
Such ambition often results in bored kids becoming bored cadets as activities and jobs run out and cadets are left to 'Mong' or 'Doss'. Furthermore, ACF organisation is, amongst cadets, notoriously poor. Such occurrences have led to the abbreviation ACF to have the second meaning of Another Cluster Fuck.
Aged between 12 and 18. Bored. Unfit. Unintelligent. Positively annoying and indignant, then join the ACF Army Cadet Force. We will show what being bored really is.
Achievement Collecting Fag - person who does not play computer games for fun but to get more retarded achievements, which are nothing more than worthless database records.
This retardness began on PS3/Xbox 360 games, but it has already started to ruin PC gaming.
Achievements allow players from around the world to compare length of their penises without need of meeting cock to cock.
Used to describe the often-annoying Auto-Correct feature on many smartphones. Unless prevented otherwise, the Auto-Correct feature may choose to transform the word completely, thus rendering the phrase nonsensical. In such situations, the victim often can't be bothered to re-type the corrected sentence and an added apology. This can be rectified, excuse-free, by typing "ACF" followed by your originally intended phrase.
A: "Gassy I finally got the book."
B: "?!"
A: "ACF Yaay I finally got the book."
B: "Oh really?"
A: "USA"
B: "Um..?"
A: "ACF Yaa!"
AC Friends, a popular online forum where people in pikachu costumes attempt to access your rear portal, occasionally interluded by discussion and boobs.
"I went to ACF this morning and 5 trolls in pikachu costumes tried to piitb, but I had an insightful discussion and saw boobs so it's not a total loss."