Damn, Dyna! You beat me to it...I've been itching to do a Magic Whistle cover. It looks great. Now I've gotta dig out my Sam Henderson comics....
I really hope people are clicking to enlarge the picture so they can get the joke.
That happened to me once at the beach when I was 12. But instead of a hot babe, it was my stepmom next to me, which is much, much worse.
Shorts were pretty short in the '70's and early '80's
Mine wasn't at the bottom, it was at the top. I adjusted them when I was sitting on the beach, and apparently pulled them down a bit too far.