oooooohhhhhhh, so that’s it! In reference to my earlier post about strange guys sitting in their cars for no apparent reason, it turns out that there actually is a reason:
“They’re cruising each other for gay sex. No, seriously. It’s one of those things we had to learn in our manual, like gaydar and how to match clothes. Trust me on this one.”
Thanks to Ern for kicking-down the info.