At my local diner, the window seats look down on the street below, and I get a direct view of the laps of every driver who motors past or is stopped waiting for the traffic light to change.  What amazes and delights me is seeing how many guys jerk off in their cars.  (They give new meaning to "Red Light District," eh?)  It's also great to see how many guys steer with one hand and shove the other hand into their buddy's pants.

In unrelated news, this first rule of tongue-kissing is that the tongues have to touch.  But these guys are making a good start!

Here's how it's done: