How to Find a Nerd in Hiding

So this morning at our job site, we were gathering for our daily safety meeting.  One of the crew was in socks and flip-flops.

Now this is okay, because we're outside of the work zone.  But it still got him some ribbing.

People were asking if they were the new style of steel toed shoes.

I said, "No, their transparent aluminum."

And off to my right, I heard someone snort.

That's how they'll catch us in the end: obscure jokes we can't help but snigger at.