A super secret meeting between spies and non-spies alike, for secret affairs, and I don't mean the cheating type of affairs, just affairs in general. Okay well maybe those types of affairs too.
Let's plan a rendevouz at 2pm behind the old oak tree. You know the one. In the woods? Where the trees are? Okay, you know what, forget it... I'll see you when I see you.
A special chance meeting at a red light with someone of lesser intelligence who just cut you off and/or sped in front of you so that they could get in front of you. Usually the result of wasteful speeding and/or reckless driving.
"The other day I had a red light rendezvous with a Mustang that cut me off for no reason. I promptly gave him the finger."
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.