Neighbors, creating word-pix of hot chicks
Originally uploaded by qwurky.
Just guessing, but I guess they 're running over the finer points of girls in bikinis without any clothes on -- a very common subject among boys this age.
Or maybe they're talking about what they see through the back of their heads, up behind them: me, behind my Nikon!
We may never know!
(And we surely don't care!)