Military Slang - it refers to the attractiveness level of a partner or potential partner, (often temporary non-monogamous relationships with other military members), someone who's attractiveness rates as a 2 prior to deployment, but starts looking like a 9 after 5 months at war, but quickly transforms back into a 2 again when deployment is over.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

When you're so drunk you try typing the word "wow" and type "292" instead.

A less than stellar looking guy/girl who gets better looking the closer it is to the bar closing time.