n. Abbreviation of forehead. Slightly derogatory term used normally to draw attention to its massiveness or the manner in which it is exposed.

Abbreviation for Fuck off and Die
as used in FOD by Greenday, and spray painted on the sides of garbage cans at the Turks and Caicos Airport

Foreign Object Debris. For those of you who were in an air force(any air force, not strictly the US or Canadian's) that was a vital and necessary duty before a tactical fighter squadron's jet fighters could be launched. It consists of walking from one end of the runway to the other in search of nuts, bolts, tools ANY loose objects of any size that could be easily sucked up by the jet engines... This was not to be allowed to happen because it is dangerous for the pilot and the aircraft...

Forehead Of Doom... As in a massive forehead

Abbreviation for Forest of Dean.

The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. The forest is a roughly triangular plateau bounded by the River Wye to the west and north, the River Severn to the south, and the City of Gloucester to the east.
The area is characterised by over 110 square kilometres (42.5 sq mi) of mixed woodland, one of the surviving ancient woodlands in England.

Airline Industry lingo for foriegn objects or debris. This is usually looked before the in comming plane parks at it's desiginated parking spot. Debris, trash or scrap pieces that can damage a airplane's engine and is usually found on the ground where the plane is going to be parked at!

Facebook Obsession Disorder . A person who keeps updating their status every 15 mins, Can't stay online unless checking their facebook every 5 seconds.

FOD us very common between people who have no life, or have a life but it's not that interesting.

guy1: have you seen shane ? He hasn't been to the club for days.
guy2: he has FOD rememeber?