In a few more years I'll be wearing this one: "Social Security: I Got Mine."
I also plan on getting a cane (whether I need one or not) and tripping people with it.
My 8 year old niece is a fart afficianado and got her friend's grandpa a button that says "old fart". I've encouraged her to find a similar button/t-shirt for
her grandpa's birthday in September. [eg]
-Eric