The Jewish Grandmother.
A Jewish grandmother is giving directions to her grown-up grandson who is coming to visit.
"You come to the front door of the apartment. I am in apartment 301 .
There is a big panel at the front door. With your elbow , push button 301. I will buzz you in. Come inside, the elevator is on the right. Get in, and with your elbow , push 3. When you get out, I'm on the left.
With your elbow , hit my doorbell."
"Grandma, that sounds easy, but, why am I hitting all these buttons with my elbow? .........
“What……you coming empty handed?!!