There's a reason why you usually see the 100-year old guests on late night talk shows like 'The Tonight Show' (Weeknights, 11:35PM ET on NBC) come out last. They've reached a point in their lives where they simply don't hold back anything, meaning they're usually fantastically entertaining guests.

Jay Leno had Dorothy Custer on, who was three weeks past her 100th birthday. She related a story about her trip to Universal Studios with the timing of a well-seasoned comedian.

"I had a skirt on and the wind was a-just blowing it like that, and I was hanging onto my hat." she explained. When a kid told her to pull down her dress instead of holding her hat, she retorted, "I don't care. What they see down there is 100 years old. This is a brand new hat."

Leno's next guest was Larry the Cable Guy, who complimented Custer on her great appearance. According to Larry, she retorted, "follow that b****!"