The best place to find the U-est UABs is the hospitals when they are born. However, access is not always available so it is suggested to go to child's places such as Chuck E Cheese or Pump It Up. Although public demonstrations of UAB love is frowned upon, a UAB-ist should show it proudly and high-five, hug, kiss, then have intercourse with the finest and U-est UAB they can find.
This definition has indeed been written by the originator: ShiningSeoul.
Bob: So tight.
Todd: YO WHAT THE F---
Johnny: Do you know who's cute?
Ralph: Your brother.
Ralph: Cause he UAB.
Johnny: Dawg, you is gay.
"Awesome! did you make a pass?"
"Didn't get a chance. She had a UAB two tables over. I couldn't even spot him until he came over and kissed her!