A popular bingo joke is:
Q: How do you get a grandmother to swear?
A: Have another grandmother say “Bingo!”
The joke has been cited in print since at least 1992.
Google Groups: bit.listserv.catholic
Coupla jokes for you
Karl C Schudt
9/25/92
How do you get four little old Catholic ladies to say %$#@ (insert appropiate curse word here) ?
Get a fifth to stand up and say “Bingo!” 
Google Books
The Lone Ranger and Tonto Fistfight in Heaven
By Sherman Alexie
New York, NY: HarperPerennial
1993
Pg. 10:
“How do you get one hundred Indians to yell OK, shit?” James Many Horses asked as he sat in a drift on the front lawn. “Say Bingo,”
Google Groups: soc.penpals
.Heard, but I like them anyway
cynthja
4/22/98
(...)
hello!
How do you get and old lady to say FUCK?
Get another old lady to say BINGO!
Google Groups: alt.tasteless.jokes
How do you get a sweet little 80 year old lady to say fuck?
Voldemort
8/10/02
“ur_droll”
news:XrF49.2707$hk3.603457@news.xtra.co.nz…
>
> A: Get another sweet little 80 year old lady to say bingo.
Google Books
Twelve Times Blessed
By Jacquelyn Mitchard
New York, NY: HarperTorch
2003
Pg. 11:
“How do you get three old ladies to say ‘fuck’?”
(...)
“Get a fourth one to say ‘Bingo!’”
Twitter
Michelle Brewster
@michelletrex
Son: How do you get an 80yr Nana to say ####!!. Get another 80yr old Nana to sit next to her and say BINGO
5:07 AM - 5 Apr 2009
Twitter
Michelle Brewster
@michelletrex
How do you get an 80yr old woman to say F***? Get another 80yr old woman to sit next to her and say BINGO (From my 10yr old!)
6:35 AM - 21 Apr 2009
Google Books
A Prairie Home Companion
Pretty Good Joke Book (5th Edition)
Introduced by Garrison Keillor
Minneapolis, MN: HighBridge
2009
Pg. ?:
How do you get your grandma to swear?
Get someone else’s grandma to say, “Bingo!”
Reddit
How do you get an elderly lady to say f***?
submitted October 8, 2016 by jaunsolo29
Get another one to say bingo
Above, a 1934 plaque from the Big Apple Night Club at West 135th Street and Seventh Avenue in Harlem. Discarded as trash in 2006. Now a Popeyes fast food restaurant on Google Maps.
Recent entries:
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“Instead of conspiracy theorist, I prefer to be called a connect the dots specialist” (3/20)
•
“Let’s reduce drunk driving by taking cars away from sober drivers” (3/20)
•
“When the Berlin Wall fell, which side did the people run to?” (3/20)
•
“You are being conditioned to give up your rights every time there’s a crisis” (3/20)
•
Entry in progress—BP (3/20)
More new entries...
Above, Big Apple Corner at 54th Street and Broadway in Manhattan. Google Maps.
Above, John J. Fitz Gerald, from the Aug. 15, 1931, Binghamton (NY) Press, pg. 14.
Listen to Robert Emmerich introduce "The Big Apple," a hit song from 1937. Music written by Bob and performed by Tommy Dorsey's Clambake Seven with Bob on piano. Lyrics written by Buddy Bernier and sung by Edythe Wright. Audio provided by Dorothy Emmerich.
Also listen to a 1937 "The Big Apple" song by Ozzie Nelson and his Orchestra. See a 1929 photo of John J. Fitz Gerald and a 1931 photo of John J. Fitz Gerald.
This site is edited by Barry Popik.