Whistling In The Loo
If you hear someone whistling while they’re peeing in the next stall at the restroom, they have likely been in the military. While the origins of this musical tradition remains a mystery, it is common practice in the military.
Knife Hands
Have you heard of a knife hand? Some people make this hand when explaining something. All the fingers are aligned and the hand is tight and flat. After discharge, former soldiers still use this gesture when giving directions.