You know these people, but you really don't. They are the quintessential "friends of friends" and you know they go by "RuRu," "Big B," or "Jersey Mike." You see these cats every Thursday for Ladies Night and you're even friends on Facebook. Alas, you know nothing else.
Did you know that RuRu's name is actually Rochelle? Did you know that Big B is a washed out cage fighter and he hit the bottle hard...probably because his real name is Belvin (shudder). Yeah, and Jersey Mike? Everybody knows he's not from New Jersey. Whatever.
People in the Real Estate Industry who consider themselves friends even though they are still strangers, usually initiated by long days of training followed by long nights of drinking.
Code between jamming buddies to use the Flanger effect pedal on the guitar for the song they're about to play.
A warm hearted reference to Ned Flanders, neighbor of The Simpsons.