The term has also been traced to military slang.

The military slang for such an outbreak of sightings, the reporter said, was a 'flap'.

A different accent, perhaps, or maybe a new kind of military slang.

It is thought to have originated in the late 1950s, as military slang.

Titan Helios, though it is also military slang for a helicopter.

In military slang, a gaggle is an unorganized group doing nothing.

For myself, I was reminded of a current bit of military slang.

This may also be related to the term's claimed use as military slang for a land mine, not well documented.

The title of the album refers to the military slang for full automatic fire.