YOU KNOW YOU HAVE TOP NOTCH FRIENDS WHEN..

  1. you ask them to hold your phone for a sec
  2. and then they take loadsa sneaky photos of your butt
  3. butt specimen A
  4. N.B.: being British, I'm concerned the positive nature of this list title comes off as sarcastic; I'm not being sarcastic- my friends really are the grooviest.