Whistling In The Loo
If a person is whistling while they’re tinkling, they are likely a soldier or they used to serve. This musical tradition’s origins may still be a mystery, but the practice is quite common in the military.
Knife Hands
Do you know what a knife hand is? People make this hand while they are explaining something. The fingers are all aligned as well as the hand is flat and tight. Post-service, former soldiers continue to use this gesture while giving directions.