My daughter recently commented on Facebook about her Murtaugh List. Since most of my social references died in the Sixties, I had no idea what this was. Evidently it's a reference made on How I Met Your Mother (a show I've never watched) about the Danny Glover character in the Lethal Weapon movies. Glover's character (Murtaugh) often complained, "I'm too old for this shit." I can get into this. Everyone should have a list of things for which they're too old.
Thinking long and hard, I came up with my list:
1) Binge drinklng
2) Val Kilmer movies
That's it. A list of things my knees are too old for would probably be much longer.